Smith & Wesson swpenmpbk military police tactical pen with black ink, silver Smith & Wesson swpenmpbk military police tactical pen with black ink, silver features: also uses common Parker and Hauser ink cartridges Smith & Wesson swpenmpbk military police tactical pen with black ink, silver specification: overall: 6.4 inch (15.5cm) material: T6061 Aircraft aluminum weight: 1.4 oz.