Tamper-Proof Bits: M14, M16, M18 – Ideal forautomotive andindustrial use. Tamper-Proof Spline Bits: M14, M16, M18. Sockets: M4, M5, M6, M8, M9, M10, M12. Enhance your toolbox with theUS PRO 10PC 1/2" Drive Impact Spline Bit Socket Set.
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