74pc Special Bit Set Hex / Spline / Ribe / Star Torx / Tamperproof Bits

74pc 3/8" & 1/2" Special Bit Set. Hex - Ribe - Spline - Torx - Tamperproof Torx. Hardened & Tempered Steel. 1pc 3/8" Square Drive x 10mm Hex Drive. 1pc 1/2" Square Drive x 10mm Hex Drive. Precision Machined Drop Forged Heat Treated Hardened & Tempered.

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