Ballpoint Pen For Excellent Writing Comfort. With Replaceable Refill Express 775 Medium (M), Waterproof According To Ink Standard Iso 12757-2. The Wear-Resistant Stainless Steel Tip Guarantees That The Large Ink Supply Can Be Fully Used And Does Not Smear. Matching Barrel/Ink Colour: Green. The Rubberised Grip Zone Provides A Secure Hold For Relaxed Writing. The Loox Has A Sturdy Metal Clip And, Thanks To The Clever Plug+Play System, Can Use A Variety Of Refill Formats.