--- product_id: 156265402 title: "Original Tri-Mate Triangular Barrel Ballpoint Pen Medium Point Biro (1.0mm) (Black, Pack of 50)" brand: "cello" price: "฿4255" currency: THB in_stock: true reviews_count: 13 category: "Cello" url: https://www.desertcart.co.th/products/156265402-original-tri-mate-triangular-barrel-ballpoint-pen-medium-point-biro store_origin: TH region: Thailand --- # Ergonomic triangular grip for ultimate control 1.0mm medium point for smooth, precise writing Pack of 50 for unbeatable value and constant supply Original Tri-Mate Triangular Barrel Ballpoint Pen Medium Point Biro (1.0mm) (Black, Pack of 50) **Brand:** cello **Price:** ฿4255 **Availability:** ✅ In Stock ## Summary > ✍️ Write like a pro, feel the flow, never run out! ## Quick Answers - **What is this?** Original Tri-Mate Triangular Barrel Ballpoint Pen Medium Point Biro (1.0mm) (Black, Pack of 50) by cello - **How much does it cost?** ฿4255 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/156265402-original-tri-mate-triangular-barrel-ballpoint-pen-medium-point-biro) ## Best For - cello enthusiasts ## Why This Product - Trusted cello brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Bulk Value Pack:** Stay stocked and ready with 50 pens—perfect for office, school, or home use. - • **Effortless Precision:** Experience skip-free, flow-free ink that glides smoothly with every stroke. - • **Lightweight & Durable:** Carry convenience meets lasting quality in a sleek, contemporary design. - • **Ergonomic Triangular Grip:** Designed for comfort and control, reducing hand fatigue during long writing sessions. - • **Versatile Everyday Essential:** Ideal for writing, note-taking, sketching, and signing with consistent black ink. ## Overview The Cello Original Tri-Mate Ballpoint Pen features a 1.0mm medium point with smooth, skip-free ink flow, housed in an ergonomic triangular barrel for superior grip and control. This pack of 50 black pens offers exceptional value and versatility, perfect for professionals and students alike who demand comfort, durability, and consistent performance in their everyday writing tools. ## Description Great prices on your favourite Office brands plus free delivery and returns on eligible orders. Review: Great pens - Quick delivery, good quality pens and great value Review: Really good value for the money and good quality - Fabulous pen. Easy to hold and writes lovely, Ink flows out nicely. I think this is the best pen I have ever used. ## Features - Convenient Value Pack: Cello Original Tri-Mate Triangular Barrel Ballpoint Pen Medium Point Biro, pack of 10 black pen will fully meet your demands of daily writing, marking, and signing. - Improve Hand Writing: The optimized extra fine point with flow-free ink delivers skip-free glides all the time that enables you to write more smoothly than traditional pens. - Outstanding Design: Cello original tri-mate ball pens with comfortable grips are easy to hold, giving you the best control of your lines. A durable -lightweight pen makes it convenient to carry. - No Limitation: These cello original tri-mate ball pens are suitable for school, office, and home. Ideal for writing, journal, note-taking, underlining, sketching, and more. A perfect choice for your everyday use. - Standard Quality: For us, your satisfaction is the most important factor, so we strive to deliver products that are of standard quality, providing 100% satisfaction. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07WTMNW3D | | Age Range Description | Adult | | Animal Theme | no animal theme | | Best Sellers Rank | 18,852 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 658 in Retractable Ballpoint Pens | | Body Shape | Triangular | | Brand Name | Cello | | Closure Type | Click-Off Cap | | Colour | Black | | Country Of Origin | India | | Customer Reviews | 4.5 4.5 out of 5 stars (822) | | Drill Point | extra fine point,medium point | | Grip Type | Triangular Girp | | Included Components | Instruction Guide | | Ink Base | Oil | | Ink Colour | Black | | Is the Product Left or Right Handed? | Ambidextrous | | Item Diameter | 0.7 Millimetres | | Item Dimensions | 10 x 10 x 140 millimetres | | Item Weight | 379 Grams | | Line Size | 1 Millimeters | | Manufacturer | Bic-Cello Export India Pvt Ltd | | Material Type | Plastic | | Model Name | TRI-MATE | | Model Number | Trimate_Range | | Pattern | star | | Product Warranty | Standard | | Recommended Uses For Product | Writing | | Special Features | Lightweight | | Style | Contemporary | | Theme | Music | | Unit Count | 10.0 Count | | Water Resistance Level | Not Water Resistant | | Writing Instrument Form | Ballpoint Pen | ## Product Details - **Age range (description):** Adult - **Brand:** Cello - **Colour:** Black - **Ink colour:** Black - **Material:** Plastic - **Model name:** TRI-MATE - **Point type:** extra fine point,medium point - **Special feature:** Lightweight - **Unit count:** 10.0 Count - **Writing instrument form:** Ballpoint Pen ## Images ![Original Tri-Mate Triangular Barrel Ballpoint Pen Medium Point Biro (1.0mm) (Black, Pack of 50) - Image 1](https://m.media-amazon.com/images/I/61P-f+GrBfL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great pens *by R***Y on 7 August 2025* Quick delivery, good quality pens and great value ### ⭐⭐⭐⭐⭐ Really good value for the money and good quality *by S***N on 30 June 2023* Fabulous pen. Easy to hold and writes lovely, Ink flows out nicely. I think this is the best pen I have ever used. ### ⭐⭐⭐⭐ quite good quality and easy to use *by N***S on 13 January 2025* Nice feel good quality Ink smudge is a bit Very cheap Quick delivery Last a reasonable amount of time 4stars ## Frequently Bought Together - Cello Black Ballpoint Pens,(Pack of 50) Pens multipack Smooth Writing Action Medium Point (1.0mm) Black Biro pens,Ideal Ball Point Pens for office supplies Stationary for Work, Home, School supplies - Pukka Pad, A4 Metallic Jotta Book 3 Pack – 21 x 30cm – Wirebound Notebook with 8mm Lines and 80GSM Paper – Features 4-Hole Punch Margins and Perforated Edges - 200 Pages, Green - Pukka Pad, A5 Metallic Jotta Book 3-Pack for Home, School, and Office – 15 x 21cm – Wirebound Notebook with 8mm Lines and 80GSM Paper – Features Perforated Edges - 200 Pages, Green --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/156265402-original-tri-mate-triangular-barrel-ballpoint-pen-medium-point-biro](https://www.desertcart.co.th/products/156265402-original-tri-mate-triangular-barrel-ballpoint-pen-medium-point-biro) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-27*