Sockets are made from Cr-V steel, heat treated, chrome finish. Bits are made from S2 steel forged bit reduces stripping and increases bit life (3 times).
Heavy-duty cold-forged steel for higher torque output. Bits have a chamfered lead-in on the drive end for easier attachment to drive tools

All items are well organized and storaged in a metal storage box.

Item includeds:

• 1pc 3/8" Dr Socket adapter;
• 1pc 1/2" Dr Socket adapter;
• 7pcX30mm Hex:H4-H5-H6-H7-H8-H10-H12;
• 7pcX75mm Hex:H4-H5-H6-H7-H8-H10-H12;
• 5pcX30mm Spline: M5-M6-M8-M10-M12;
• 5pcX75mm Spline: M5-M6-M8-M10-M12;
• 8pcX30mm Torx:T20-T25-T30-T40-T45-T50-T55-T60;
• 8pcX75mm Torx:T20-T25-T30-T40-T45-T50-T55-T60.