This is the LEFEET Scuba Tank Mount for S1/S1 Pro Water Scooter Features: Strap and mount assembly to attach your scooter to your tank Dimensions: 260mm x 270mm N.W.: 0.7kg G.W.: 1.1kg The combination of a thruster and an oxygen tank provides extra power for scuba divers to roam the seas as they wish. Check out the rest of the LEFEET Scooter Collection