{"product_id":"uni-ball-signo-umn-307-retractable-gel-pen-0-5mm-3-pack","title":"Uni-ball Signo UMN-307 Retractable Gel Pen 0.5mm 3-Pack","description":"\u003ch2\u003eUni-ball Signo UMN-307 Retractable Gel Pen — 3-Pack, 0.5mm Super Ink Tamper-Proof Pigment Ink for Signing, Archiving \u0026amp; Meeting Notes\u003c\/h2\u003e\n\u003cp\u003eYour signature is your identity on paper — it should be impossible to alter. The Uni-ball Signo UMN-307 is engineered with Mitsubishi's proprietary Super Ink technology: a pigment-based formula specifically designed to resist tampering, chemical washing, and fraudulent alteration. It's also waterproof, lightfast, and archival-grade — meaning what you write today will be perfectly legible in 50 years. Three pens per pack, one-click retractable action, 0.5mm precision tip. The pen professionals trust when the document matters.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuper Ink — Tamper-Proof Formula:\u003c\/strong\u003e Mitsubishi's proprietary pigment ink resists chemical washing, bleaching, and solvent-based alteration attempts — once dry, the ink cannot be lifted, erased, or dissolved from paper without leaving visible evidence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof When Dry:\u003c\/strong\u003e Pigment particles bond permanently to paper fibers — accidental spills, rain, and moisture won't smear, bleed, or fade your writing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightfast \u0026amp; UV Resistant:\u003c\/strong\u003e Documents stored near windows, under fluorescent lights, or in open filing systems remain fully legible — no fading, no yellowing, no ghosting over decades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetractable Click Mechanism:\u003c\/strong\u003e One-click extension and retraction — no cap to lose, no cap to fumble with. Ready to write in an instant during fast-paced meetings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.5mm Fine Point:\u003c\/strong\u003e Precision gel tip delivers clean, consistent 0.5mm lines ideal for signatures, form fields, margin notes, and detailed writing in tight spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth Gel Ink Flow:\u003c\/strong\u003e The gel-based delivery system provides the smoothness of a rollerball with the permanence of pigment ink — effortless writing without skipping or blobbing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Pen Pack:\u003c\/strong\u003e Three pens per set — one for your desk, one for your bag, one for the conference room.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3 × Uni-ball Signo UMN-307 retractable gel pens (0.5mm)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Ink Colors\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack:\u003c\/strong\u003e Universal standard for legal documents, contracts, and official records — accepted in every jurisdiction worldwide.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlue:\u003c\/strong\u003e Preferred by banking, legal, and government institutions for distinguishing original signatures from photocopies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed:\u003c\/strong\u003e Corrections, annotations, priority notations, and editorial markup — impossible to miss on a black-and-white page.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat Makes Super Ink \"Tamper-Proof\"?\u003c\/h3\u003e\n\u003cp\u003eStandard gel and ballpoint inks can be chemically removed from paper using solvents, bleach, or specialized erasure chemicals — a technique used in check fraud, document forgery, and identity theft. Uni-ball's Super Ink defeats this through a dual-defense mechanism:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiber Penetration:\u003c\/strong\u003e Pigment particles are engineered to absorb deeply into paper fibers rather than sitting on the surface — removal attempts tear the paper itself, leaving obvious physical evidence of tampering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Resistance:\u003c\/strong\u003e The pigment formula resists dissolution by common alteration chemicals including acetone, alcohols, bleach, and commercial ink erasers — the ink stays even when the paper around it is damaged.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisible Alteration Evidence:\u003c\/strong\u003e Any attempt to modify writing leaves clear discoloration, fiber damage, or surface disruption that's immediately detectable under normal light or UV inspection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is why the UMN-307 is trusted by banks, law firms, hospitals, government offices, and forensic document examiners worldwide.\u003c\/p\u003e\n\u003ch3\u003eIdeal Use Cases\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument Signing:\u003c\/strong\u003e Contracts, agreements, NDAs, wills, deeds, and any legally binding document where signature authenticity must be guaranteed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Writing:\u003c\/strong\u003e Tamper-proof ink prevents payee name and amount alteration — the #1 defense against check washing fraud.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeeting Minutes \u0026amp; Speed Notes:\u003c\/strong\u003e The click-retract mechanism and instant-start ink flow make it perfect for rapid note-taking in fast-paced meetings, hearings, and depositions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Term Archiving:\u003c\/strong\u003e Medical records, research data, court transcripts, and government files that must remain readable and unaltered for 25–100+ years.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrescription Writing:\u003c\/strong\u003e Doctors and pharmacists — tamper-evident ink that prevents prescription alteration and protects patient safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcademic Records:\u003c\/strong\u003e Transcripts, certificates, examination papers, and grade records that require permanence and anti-forgery protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvidence \u0026amp; Chain of Custody:\u003c\/strong\u003e Law enforcement evidence logs, chain-of-custody forms, and forensic notes where ink integrity may be challenged in court.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNotarization:\u003c\/strong\u003e Notary stamps and signatures that must remain verifiable and unaltered for the life of the document.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUMN-307 Super Ink vs. Standard Gel Pens\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eUni-ball Signo UMN-307\u003c\/th\u003e\n\u003cth\u003eStandard Gel Pen\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTamper Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eResists chemical washing \u0026amp; solvent erasure\u003c\/td\u003e\n\u003ctd\u003eEasily dissolved by common solvents\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFully waterproof when dry\u003c\/td\u003e\n\u003ctd\u003eBleeds and smears on water contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLight Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLightfast — no fading for 50+ years\u003c\/td\u003e\n\u003ctd\u003eFades under UV and fluorescent light\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eArchival Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArchival-grade — suitable for permanent records\u003c\/td\u003e\n\u003ctd\u003eNot rated for long-term storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCheck Fraud Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes — prevents check washing\u003c\/td\u003e\n\u003ctd\u003eNo — vulnerable to chemical alteration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMechanism\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRetractable click — no cap needed\u003c\/td\u003e\n\u003ctd\u003eVaries — often capped\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInk Technology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProprietary Super Ink pigment formula\u003c\/td\u003e\n\u003ctd\u003eGeneric dye-based gel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhy Professionals Choose the UMN-307\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLawyers:\u003c\/strong\u003e Client signatures on contracts that must withstand legal scrutiny and potential forgery challenges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBankers:\u003c\/strong\u003e Check writing and financial document signing where ink integrity prevents fraud losses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoctors \u0026amp; Nurses:\u003c\/strong\u003e Patient records and prescriptions where tamper-evident ink is a compliance and safety requirement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScientists:\u003c\/strong\u003e Lab notebooks where original data must be preserved unaltered for peer review, patent claims, and regulatory audits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGovernment Officials:\u003c\/strong\u003e Permits, certifications, and public records that require archival permanence by law.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccountants:\u003c\/strong\u003e Financial records, tax documents, and audit trails where ink permanence is a professional liability concern.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExecutive Assistants:\u003c\/strong\u003e Meeting minutes, action items, and executive signatures captured at the speed of conversation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRetractable = Meeting-Ready\u003c\/h3\u003e\n\u003cp\u003eIn a meeting, you don't have time to uncap a pen, find somewhere to put the cap, and then start writing. The UMN-307's click-retract mechanism means:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne thumb click — you're writing. One thumb click — you're done.\u003c\/li\u003e\n\u003cli\u003eNo cap to lose in seat cushions, between papers, or on the floor.\u003c\/li\u003e\n\u003cli\u003eNo dried-out tip from a forgotten uncapped pen on your desk.\u003c\/li\u003e\n\u003cli\u003eInstant start — the first stroke writes as cleanly as the hundredth.\u003c\/li\u003e\n\u003cli\u003ePocket-safe — retracted tip won't stain shirts, bags, or jacket linings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Uni-ball Signo UMN-307\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Mitsubishi Pencil Co. (Uni)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip Size:\u003c\/strong\u003e 0.5mm fine point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInk Type:\u003c\/strong\u003e Super Ink (pigment-based gel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInk Colors:\u003c\/strong\u003e Black \/ Blue \/ Red (select at checkout)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanism:\u003c\/strong\u003e Retractable click\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 3 pens per pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightfast:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTamper-Proof:\u003c\/strong\u003e Yes (resists chemical washing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArchival Grade:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGreat Gift Idea\u003c\/h3\u003e\n\u003cp\u003eA thoughtful, professional gift that says \"I respect what you sign.\" Perfect for new lawyers passing the bar, doctors starting residency, accountants during tax season, executives starting a new role, and anyone whose signature carries legal weight. Ideal for professional milestones, office housewarming, and corporate gift sets. Pair with a leather notebook or pen case for a polished presentation.\u003c\/p\u003e\n\u003ch3\u003eStorage \u0026amp; Tips\u003c\/h3\u003e\n\u003cp\u003eStore with the tip retracted to prevent drying. Works best at room temperature — avoid leaving in hot cars or freezing environments. Allow 15–30 seconds of drying time on glossy or coated paper before handling. On standard office paper, dries almost instantly. Compatible with standard Uni-ball Signo 307 refills (UMR-87E) for continued use without replacing the full pen body.\u003c\/p\u003e","brand":"Uni-Ball","offers":[{"title":"Black","offer_id":48419026829412,"sku":"UMN-307C-1","price":16.0,"currency_code":"AUD","in_stock":true},{"title":"Blue","offer_id":48419026862180,"sku":"UMN-307C-2","price":16.0,"currency_code":"AUD","in_stock":true},{"title":"Red","offer_id":48419026894948,"sku":"UMN-307C-3","price":16.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/9871\/8052\/files\/Uni-ball-Signo-UMN-307-Gel-Pen_84aac77c-e850-4868-aff5-51a3ac7937c6.jpg?v=1778913528","url":"https:\/\/www.touchfive.com.au\/products\/uni-ball-signo-umn-307-retractable-gel-pen-0-5mm-3-pack","provider":"TOUCHFIVE","version":"1.0","type":"link"}