The square shank allows use of a wrench so more torque can be applied. Alloy steel shank (chrome-vanadium), the highest-quality material known for screwdrivers. Black tip prevents any material shedding in critical productive processes (food industry). Ergonomic design provides greater grip comfort. Exceed ASME B107.600, ISO 2380-1 & ISO 8764-1 standards. Tip size: 5/16”. Exposed length: 6". Total Length: 10-5/16”.
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