Specifications: A straight liquid type that lets you know the remaining ink level. Since it is a straight liquid type, you can write smoothly from start to end. Pigmented ink keeps water out. Material: Shaft / Cap: PP resin; Interior/Tip: ASA resin; Package Size: W1.4 x D0.4 x H6.7 inches (W35 x D10 x H170 mm); Package Weight: 0.2 oz (5 g); 0.5 mm BK-L5 mm BK-L5P compatible.