1. Hose clamp material: They are strong and durable clamps. The hose clamp set is made of high quality and premium heavy duty metal clamps, which are more resistant to salt, rust, corrosion, water, oil, non-toxic handles and pollution. Strong and durable material ensures the adjustable hose clamps have a long service life. 2. Adjustable size of the hose clamp: diameter 16-2mm (7 pieces), diameter 19-2mm (7 pieces), diameter 22-2mm (7 pieces), diameter 25-2mm (6 pieces), diameter 29-2mm (6 pieces), diameter 32-3mm (2 pieces), diameter 38-3mm (2 pieces), diameter 44-3mm (2 pieces), diameter 51-3mm (2 pieces), diameter 57-3mm (2 pieces), diameter 64-3mm (1 piece), diameter 70-3mm (1 piece), diameter 76-3mm (1 piece), diameter 80-3mm (1 piece), diameter 90-3mm (1 piece), diameter 100-3mm (1 piece), diameter 110-3mm (1 piece), diameter 120-3mm (1 piece) 3. The hose clamp is easy to install and reuse: The wedge hose clamp is designed with a worm gear mechanism, and the clamp diameter can be adjusted to accurately apply sealing pressure. It connects the hose and is used to install the hose in a confined space to prevent flow leakage. These clamps can also be recycled and reused as the stainless steel clamp material allows them to last for a long time 4. Hose Clamp Function and Use: Pipe Holder Pipe clamp is used to secure hoses, pipe connectors, cables, pipes, fuel lines, metal pipes, etc. Great for automotive, industrial, marineship, protective covers, quick clamping, electronic or home applications. It is also a pipe reducer