Specifications: A addictive and smooth writing experience. Jetstream multi-colored ballpoint pen for ultimate writing comfort. SXE2-300-07 Product Size: Shaft Diameter 0.5 x Thickness 0.6 x Total Length 5.7 inches (12.2 x 15.9 x 143.7 mm); Product Weight: 0.4 g; Ink Color: Black/Red; Mechanism: Knock-type; Shaft Finish: PC resin with rubber grip; Ball Diameter: 0.03 inches (0.7 mm); Refill: SXR-80-07 mm; Art Supplies Shop Dot Com 1 x Cute Animal Postcard