Description: Blue color great writhing stationery for office /school. refills provide smooth, water resistant, quick-drying performance, and extend of your favorite pen Applicability: The versatile ballpoint pen refill fits most ballpoint pens, as many others that utilize the same refill; suitable for office, school and . Free-flowing, smooth writing german ink with medium 2mm ballpoint tip. Original manufacturer quality with metal shaft. Before ordering, please unscrew your refill and compare it to the pictures here, and it length measures is 3.8 inch/ 97mm; refill is threaded and screws into place Specification: Material : Metal Length Approx .97mm/3.8inch Pen Point Diamater Approx .3mm Package Includes: Pack of 10 Pieces 0.3mm Ball Refill Note: 1. Please slight color difference between item pictures due to between monitors. 2. Please slight measurement error. your kind understanding and nice ! Blue color great writhing stationery for officeschool. refills provide smooth, water resistant, quickdrying performance, and extend of your favorite pen Applicability: The versatile ballpoint pen refill fits most ballpoint pens, as many others that utilize the same refill; suitable for office, school and . Freeflowing, smooth writing german ink with medium 2mm ballpoint tip. Original manufacturer quality with metal shaft. Before ordering, please unscrew your refill and compare it to the pictures here, and it length measures is 3.8 inch97mm; refill is threaded and screws into place