S2 Alloy Steel Screwdriver Torx Drills Bit 1/4" Hex Shank. Total Length: 50mm 75mm 100mm 150mm. Bit Type: Torx. Material: S2 Alloy Steel. Shank opposite side length: 6.35mm (1/4"). This Screwdriver suit for multi-type electric Drills or air power drills.
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