Multiple Size: The complete kit contains 7 sets of different sizes from 8mm to 38mm to accept different pipes, package in a durable transparent box, includes: 10pcs*8-12mm, 10pcs*10-16mm, 10pcs*13-19mm, 10pcs*16-25mm, 10pcs*19-29mm, 5pcs*18-32mm, 5pcs*21-38mm, and a Z screwdriver, 60pcs in total. Adjustable Sizes: All hose clamps with screws, you can adjust the size according to the pipe diameter, the clamp kit is flexible and bendable, so you can install and remove them at Adjustable size range from 8 to 38 mm, suitable for different pipes and tubes. High Quality: The hose clamps are made of high quality 201 stainless steel, with high performance of corrosion resistance and acid resistance, they are strong and durable. Oxidation resistance can be stored for a long time in a humid environment. The sturdy and durable material ensures long-lasting work. Easy to Install: The hose clamps are easy to install, just use a screwdriver to loosen the screw on the hose clamp. Then thread the