♬Make from Aviation Aluminum, light weight, tough, high strength, strong resistant, and enduring. ♬Perimeter 7/16inch side holes for mounting lights, tanks bottles, lift bags and other accessories. ♬Slots to accepts directly threaded belt bands for single tanks diving. ♬Slots for crotch straps, universals fits 1inch and 2inch standard webbing. ♬Great gears equipment for technical scubas diving and divers.