--- product_id: 54528759 title: "Pentel Colour Retractable Gel Rollerball, 0.7mm tip, Blue ink, 1 Pack of 12 pens, K437CR-C" brand: "pentel" price: "¥4341" currency: JPY in_stock: true reviews_count: 13 category: "Pentel" url: https://www.desertcart.jp/products/54528759-pentel-colour-retractable-gel-rollerball-0-7mm-tip-blue-ink store_origin: JP region: Japan --- # Ergonomic triangular grip for comfort Retractable design with sparkly barrel 0.7mm tip for precise 0.35mm lines Pentel Colour Retractable Gel Rollerball, 0.7mm tip, Blue ink, 1 Pack of 12 pens, K437CR-C **Brand:** pentel **Price:** ¥4341 **Availability:** ✅ In Stock ## Summary > 🖋️ Write sharp, write smart — the pen that means business. ## Quick Answers - **What is this?** Pentel Colour Retractable Gel Rollerball, 0.7mm tip, Blue ink, 1 Pack of 12 pens, K437CR-C by pentel - **How much does it cost?** ¥4341 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/54528759-pentel-colour-retractable-gel-rollerball-0-7mm-tip-blue-ink) ## Best For - pentel enthusiasts ## Why This Product - Trusted pentel brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Vibrant Blue Ink:** Rich, pigment-based gel ink flows smoothly and consistently, making your writing pop with personality. - • **Comfort Meets Style:** Ergonomically designed triangular grip reduces hand fatigue while adding a sleek, modern touch. - • **Effortless Convenience:** Retractable mechanism with push-button control keeps your pen ready and your pocket clean. - • **Precision in Every Stroke:** 0.7mm tip delivers crisp, clean 0.35mm lines for professional writing and detailed notes. - • **Value Pack for the Ambitious:** Set of 12 pens ensures you’re always prepared—perfect for office, meetings, or creative brainstorming sessions. ## Overview The Pentel Colour Retractable Gel Rollerball features a precise 0.7mm tip producing fine 0.35mm lines, an ergonomic triangular grip for all-day comfort, and a stylish retractable design with a sparkly barrel. Packed in a convenient 12-pen set with vibrant blue pigment-based gel ink, it’s engineered for professionals who demand quality, reliability, and flair in their everyday writing tools. ## Description From the manufacturer Pentel Gel Pens We are the UK operation of Pentel Co. Ltd., a privately owned, Japanese company, which has been producing some of the world’s favourite writing instruments for over half a century. From our offices in Swindon, Wiltshire, we distribute a wide range of pens, pencils, correction products, markers and art materials to customers throughout the United Kingdom and Ireland. Pentel’s gel is a pigment-based ink which is waterproof and rich in colour. Perfect for creative use or everyday writing, the ink flows smoothly to the last drop. There are many products and styles to choose from within the popular range, with nearly 20 stunning colours and a variety of tip sizes. All Pentel Gel rollers are acid-free. The Hybrid Dual Metallic is Pentel’s latest innovation – and what a sensation it is! With its sparking iridescent gel ink, it looks different on dark or light paper: Hybrid Dual Metallic is unlike any other gel pen. Other special features found in some of our gel pen range include fade-resistant ink, suitable for official documents (as used in our fantastic Hyper G gel roller). K437CR Colour Pen Retractable gel roller. With ergonomic triangular-shaped barrel. Comfortable rubber grip. Add colour and personality to your handwriting. Press end button to advance tip. Push side button to retract tip. 0.7mm tip gives line width of 0.35mm. Review: Terrific value - Very good product Review: Good pens. - I liked using these pens. ## Features - Fantastic Value for a quality Gel Roller - Ergonomically designed triangular finger grip - Retractable pen with sparkly barrel - 0.7mm tip giving approx 0.35mm line width - 0.7mm tip give approx. 0.35mm line width ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B007KM5QDM | | Age Range Description | 13+ | | Age range (description) | 13+ | | Best Sellers Rank | 46,378 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 694 in Gel Ink Rollerball Pens | | Body Shape | Cylindrical | | Brand | Pentel | | Brand Name | Pentel | | Closure Type | Retractable | | Colour | Blue | | Country Of Origin | India | | Customer Reviews | 4.2 out of 5 stars 87 Reviews | | Drill Point | Medium | | Global Trade Identification Number | 00072512244395 | | Grip Type | ergonomically | | Included Components | 12 Pentel Colour Retractable Gel Rollerball pens | | Ink Base | Water | | Ink Colour | Blue | | Ink colour | Blue | | Is the Product Left or Right Handed? | Ambidextrous | | Item Dimensions | 15.2 x 3.2 x 8.9 centimetres | | Item Weight | 0.03 Pounds | | Line Size | 0.7mm | | Manufacturer | Pentel | | Material | Plastic | | Material Type | Plastic | | Model Name | Pentel Colour Retractable Gel Rollerball | | Model Number | K437CR-C | | Product Warranty | 2 Years Manufacturers Warranty | | Recommended Uses For Product | Writing | | Special Features | Eco Friendly | | Style | Retractable | | Theme | Style/Design | | UPC | 072512244395 | | Unit Count | 12.0 count | | Water Resistance Level | Not Water Resistant | | Writing Instrument Form | Ballpoint Pen | | Writing Technique | linked | | Writing instrument form | Ballpoint Pen | ## Product Details - **Age range (description):** 13+ - **Brand:** Pentel - **Colour:** Blue - **Ink colour:** Blue - **Material:** Plastic - **Model name:** Pentel Colour Retractable Gel Rollerball - **Point type:** Medium - **Special feature:** Eco Friendly - **Unit count:** 12.0 count - **Writing instrument form:** Ballpoint Pen ## Images ![Pentel Colour Retractable Gel Rollerball, 0.7mm tip, Blue ink, 1 Pack of 12 pens, K437CR-C - Image 1](https://m.media-amazon.com/images/I/31ufJbE+aDL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Terrific value *by C***F on 21 January 2026* Very good product ### ⭐⭐⭐⭐⭐ Good pens. *by T***H on 14 January 2026* I liked using these pens. ### ⭐⭐⭐⭐⭐ Good value *by J***N on 23 February 2018* Lovely pens, but don’t last long enough 🙁 --- ## 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.jp/products/54528759-pentel-colour-retractable-gel-rollerball-0-7mm-tip-blue-ink](https://www.desertcart.jp/products/54528759-pentel-colour-retractable-gel-rollerball-0-7mm-tip-blue-ink) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-07-20*