Material: These hose clamps are made of good quality 304 stainless steel, sturdy and durable, non-corrosive, flexible and ductile to use, not easy to break, deform or rust. Meanwhile, when you tighten the bracelet, it will not loosen or slip, fulfilling its function perfectly. These features help extend their life. Functional Hose Clips: These stainless steel hose clamps are super practical and functional for securing pipes, hoses and tubes as they can thread the hoses into the band and hold them firmly due to their strong material, which can provide better performance both in their functions and their service life. Easy to Use: The wedge clamp designed with worm gear mechanism to adjust clamp diameter to precisely apply sealing pressure. Easy to loosen the hose clamp screw with a screwdriver, thread the hose through the hose clamp and adjust the size, then tighten the hose and the connector. Widely Application: These adjustable hose clamps have a wide range of applications, which are suitable for household uses such as securing gas pipes, aluminum pipes, water pipes, as well as ideal applications in the automotive, industry, machinery, etc. . These pliers can also be recycled and reused due to the 304 stainless steel material which makes them last a long time. Many different sizes: 8-12mm, 10-16mm, 13-19mm, 16-25mm, 19-29mm, 10pcs for each type and 22-32mm, 25-38mm, 5pcs for each type, total 60 pieces. which can provide functions for almost any pipes, hoses or tubes, ideal for your different demands.