Quantity: 2pcs only Adapter (no any drill bits ,no any machine)
5/8"-11 to 3/8" Shank:5/8"-11 male thread,3/8" Hexagon Shank,shank length 28MM,total length 53MM;
5/8"-11 thread core bits can be fitted on hand drill or electric drill
Good quality steel, long life, and Surface Nickel plating
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