These hose clamps are made of good quality stainless steel, strong and not easy to rust, good waterproof and anti-corrosion characteristics. The package Includes 70pcs adjustable hose clamps and 1pcs screwdriver tool, enough for your spare and replacement in daily life. The hose clamps contains 7 different sizes, adjustable range from 6-38mm, meet your different needs. Easy to loosen the screw of hose clamp by a screwdriver, thread the pipe through the hose clip and adjust the size, then tighten the pipe and connector. Perfect for securing cable, tuble, hoses, pipe in home applications, industrial etc., Manufacturer: MindWissUp