General description The 4pcs Knee Clamp is a heavy-duty hand tool designed for efficient clamping with a holding capacity of about 90kg. Made from high-quality galvanized iron, it features a smooth surface that is durable, wear-resistant, and resistant to rust. The practical push-pull design allows for vertical holding of workpieces, ensuring a stable clamping force that is safe and reliable. Technical specifications Material: Galvanized iron Holding capacity: About 90kg Installation Simple installation with four positioning holes to fix on the worktable. Usage Ideal for rapid replacement of steel sheets or circuit boards in various applications including machinery operations, woodworking, welding, mold manufacturing, and electronic equipment assembly. Features an adjustable rubber pressure tip for quick pressing of metal panels or circuit boards. Other information The red handle is designed to protect hands from injury during use. Control lever design minimizes lateral thrust impact