Aquatec TH04 Tank Carry Handle - 44mm. A handle that can be attached to your tank allowing you to carry it comfortably and safely. For use with Scuba Diving and Air Gun cylinders. Made from a strong plastic polymer, the AQUATEC tank handle attaches to your tank by screwing in using an allen key under the first stage on the valve. Metal parts are all produced from 316 Marine Grade Corrosion resistant stainless steel. Diameter: 44 mm. Material: Impact Resistance ABS.