ITEM NAME:Adjustable Dive Diving Tank Carry Handle Holder for 39mm to 41mm Neck Tanks Description: - Fits 39mm to 41mm circumference neck and 122.5-128.8 mm circumference air tank - More easy and comfortable to carry heavy steel tank - Rotatable handle allows to slide and change direction - Tough, durable, heacy duty and injection-molded handle - Made of Nylon and fiberglass with stainless axle Specification: - Length: Approx. 15.5cm/6.1 inch - Width (Max.): Approx. 13.5cm/5.3 inch - Neck Diameter: 41mm (Adjustable) Package Included: 1 Piece Dive Tank Carry Handle Note: Please allow slightly difference due to manual measurement. Thanks.Fits 39mm to 41mm circumference neck and 122.5-128.8 mm circumference air tank. 1 Piece Dive Tank Carry Handle. - Rotatable handle allows to slide and change direction. - More easy and comfortable to carry heavy steel tank.