The product crafted from aluminum,rustproof and wear resistant. for field engineers and operators who often disassemble and assemble s,this clamp can be used. Donot worry about cutting your fingers with and screwdriver. Computer server rack cage nut insertion installation and extraction tool. Place the square the jaw of the Fixtures,and press the Fixtures arm to the sleeve legs of the,so that the sleeve legs can be easily inserted into the hole. The product is suitable for nut with a diameter of 8.3mm-9.3mm.