Feature GenII Edition, 100% avoid CANT, Universal Flat Style ACD Mount, Air Bubble LevelEasy to Use, Full Metal, Light & Compact, w/ Elastic Sling, Check CANT Anytime Specification A Length: 47mm (1.9in) A Width: 12mm (0.5in) A Height: 12mm (0.5in) A Weigth: 7g (0.25 ounce) A Finish: Black matte A Anti Cant Device mount fit any flat surface A Air bubble floating to indicate level situation A High quality 6063 T6 aircraft grade aluminum alloy A Including item: sling