General description A 15 Piece heavy-duty Impact Driver Set designed for durability and efficiency, housed in a robust oil-resistant case. This set is ideal for loosening or tightening stubborn screws and bolts when used with a medium-sized hammer. Technical specifications Contents: 12 x Impact bits (6 x 36 Flat, 8 x 36 Flat, 10 x 36 Flat, 12 x 36 Flat, PH1, PH2, PH3, PH4, 4 mm Hex, 5 mm Hex, 6 mm Hex, 8 mm Hex) 1 x 1/2in Drive heavy-duty reversible impact driver 1 x 1/2in Drive impact coupler adaptor 1 x Hex x 3/8in male adaptor MPN: TENID515 EAN: 5020385020016 Size: 1/2in Drive Other information