Wider applicability---The refill is Parker Waterman Compatible Ballpoint Pen Refills and original cartridge of Penneed B5/B6/B8 ballpoint pens(Search 'penneed ballpoint pen'on here)in our shop. It's also compatible with Parker ballpoint pen,twist action pen.And we must remind you to double check the detail of the dimension to avoid any unpleasant purchase.
Smooth Writing Quality - Delivers ink consistently and effortlessly. The ink dries rapidly. The refill’s casing is crafted from stainless steel, providing a lightweight yet premium feel.
Extra Bonus---Each refill comes with a spring which is already fixing on the stem.You don’t have to worry about missing spring or the refill don’t fit your pre-existing spring.
Dimension---The total length is 9.9 cm(3.9 inches).The diameter of the ink reservoir is 0.6 cm(0.23inch).The narrow part where the spring sits on is 2.6cm(1 inch).1.0mm tip,Black Ink.
Package Quantity and Product Assurance---10 refills of one package.It's a good choice for office supply,school stationery.