Description: Heavy duty aluminum alloy scuba diving back plate, tough, high strength, strong corrosion resistant, wear-resistant and durable. Perimeter side holes for mounting lights, tank bottles, lift bags and other accessories. Slots to accept directly threaded cam belt bands for single tank diving. Slots for crotch straps, universal fits 1" and 2" standard webbing. Great gear equipment for technical scuba diving and divers. Specification: Material: Aluminum Alloy Size (L x W): Approx. 39.5x 26 cm/15.6 x 10.2inch Thickness: Approx. 3mm Color: Black Package Includes: 1 Piece Scuba Diving Back Plate Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!