SPECS: 5-7⁄16" (13.8cm) long, 2” (5.1cm) wide, 1¾” (4.4cm) high. Airborne Mount - Steel, chrome-moly, Parkerized, black, matte finish. 9.4oz. (266g) weight. Aluminum Mount - 7075 aircraft aluminum bar stock. Hard coat anodized, black, matte finish. 4.3 oz. (123g) weight. Titanium Mount - Black, nitride finish. Base hardness Rc. 34, surface hardness Rc 85. Weighs 7.3 oz. (207g). Includes mounting hardware, Allen wrenches, and complete instructions.