MATRIX

Metal hardware used to hold scuba cylinders underwater, namely stainless steel back plate, stage rings, and D-rings

Scuba diving equipment, namely, controls for buoyancy systems and buoyancy compensators

Scuba diving equipment, namely stainless steel buckles for weight belts, snap swivels and clips for weight belts, scuba safety harnesses; a buoyancy control system composed of a harness or jacket, a backplate, and a bladder