Schrade SCPEN4G Survival Tactical Pen CNC Machined 6061 T6 Grey Aluminum Features Removable Ferro Rod, Storable Striking Plate and Survival Whistle Cap with Pocket Clip 1 Black Starminen Fine Point D1 Pen Cartridge. Overall Length: 5.9 inch (15.0 cm) Weight: 0.12 pounds