"Bondhus ball end power bits are designed for power tools with 1/4in. ball detent hex adapters. U.S.A. Works With Power tools w/1/4 in. ball detent hex adapters, Pieces qty. 12, Material Type Protanium high-torque steel, Case Included No. Saves time and increases productivity ProGuard dry surface is impermeable to contaminants"
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