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 / Lead Diameter: 0.04 inches (1.0 mm); Art Supplies Shop Dot Com Postcard A; Limited Product! cute animal