The Apeks Aluminum Backplate features four upper and four lower slots that accommodate two tank bands so a single cylinder can be strapped directly to the plate, thus eliminating the need for a single tank adapter with Apeks brand wings. Three holes at the top and lozenge slot at the bottom provide a range of height adjustments and bolt alignments for a variety of air cells and cylinders. Also includes a { 2 in | 50 mm } wide crotch strap slot plus perimeter holes to allow for the mounting of accessories. Weighing {1.7 lbs | 0.77 kg}, the backplate is 3 mm thick anodized finish with a laser-etched Apeks logo.