Material: Pliers are made of pressed steel with black coating, which is very strong and durable after heat treatment. These clamps are made of stainless steel, which are resistant to corrosion, high temperature and long service life, and can be used in harsh environments. CV Boot Clamp is made of 304 stainless steel with adjustable length, which can be used to replace the CV sheath clamp of damaged transmission shaft of automobile. Features: Pliers set is used to quickly and simply tension and fix the dust cover strap of constant velocity universal joint. Through the built-in pliers and winding mechanism, the strap can be tightened quickly and effectively.It is a good helper to fix the CV dust cover.