Specifications: Ultra-low friction jet stream ink and sharp combine to make it easy to use. Ink color: black, red; Product weight: 0.4 oz (12.0 g); Oil-based ballpoint pen black, red 0.5 mm + mechanical pen 0.5 mm; Mechanism: knock-type; Shaft finish: PC resin with rubber grip; Ballpoint refill: SXR-80-05; [Art Shop Dot Com Postcard A]: Limited Product!! 1 x Cute Animal Postcard