The RackGold 10-32 Square (#2) and Tamper Proof Rack Screws are not your everyday hardware store item. Far too often we hear about screws that are soft, breakable & that easily strip, not these! These superior, cold hardened steel USA Made, quality screws should be your only choice for installing rackmount devices such as shelves, cable managers, servers, and other network, A/V and electronic equipment. Mfg # G1032-SQN-T5H, takes number 2 square bit.