The Quick Release Horizontal Holding Clamp is an essential addition to your jig assembly. 27 kg / 59 lb holding capacity horizontal knee clamp, with adjustable rubber pressure tips. Cold rolled carbon steel with zinc coating for resistance to corrosion. corrosion resistant Oil and stain resistant solid red vinyl handles with adjustable rubber pressure tips. With its sturdy construction and efficient design, this essential tool guarantees you a rock-solid grip on your work piece, providing a grip that won't slip. Ideal for quickly holding down sheet metal or circuit boards, for the operation of machine, woodworking, welding, mould, electronic equipment assembly, etc. Easy to install - Just fix them on the door or the cabinet box with screws, very easy to install.