Specifications: Adopts new ink so you can use it without waking the main unit. Retractive and economical Polysheath included; Material: Cap, Front Shaft: Recycled PBT Knock; Rear Shaft: Recycled PP; Nib: Stainless steel; Ball Diameter/Core Diameter: 0.04 inches (1.0 mm); Model Number: XZL12-W, XZLR12-W; [Art Supplies Shop Dot Com Postcard A]: Limited Product!! cute animal