All hose clamps including band, housing and screw are made of 304 stainless steel for corrosion and acid resistance, strong and durable without rusting or breaking. These stainless steel hose clamps attach to hose pipe joints to liquid leakage, saving time and money on costly pipe repairs. Wide application: used as pipe clamps for hoses, pipes, cables, tubes, and fuel lines; suitable for automotive, industrial, marine, and household use indoors and outdoors. Easy to use: loosen or tighten the screw with a screwdriver to adjust size, securing ducting tightly in place; screwdriver not included. Through hole structure allows for a small clamping range and can be reused. Easy to use: Just loosen or tighten the screw of hose clips by a screwdriver to adjust the size, attach hoses to the fitting tightly. Can be applied to secure hoses, pipe, cable, tube, automotive, industrial, boat, etc.