5mm-19mm Hex Nut Driver CR-V Socket Wrenches Impact Drill Bit 1/4" Hexagon Drive. 【Shank type】: Hex shank. 【Specification】: 5mm 5.5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm 13mm 14mm 15mm 16mm 17mm 18mm 19mm (optional).
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