Its 3/8 inch drive makes it compatible with a wide range of standard drive tools. 【Surface Treatment】Mirror-polished and chrome-plated sockets and phosphate bits finish offer excellent anti-corrosion and anti-rust performance. 3/8 Phillips Bit Socket 2PCS 3/8" Drive PH1(#1) Phillips Bit Socket, Heat Treated S2 Steel... 2 Phillips Bits Las brocas forjadas de acero S2 premium son excepcionalmente fuertes y duraderas. 【Precision Bits】Automatically processe bit tips to ensure accurate size, high-torque fit that resists camming out, reducing wear. Package include 1 piece phillips bit socket Wright Tool's screwdriver bit is designed for easy replacement of a broken bit - Forged and Machined for Best Fit and Unyielding Strength It is designed for fastening and loosening Phillips head screws in a variety of materials including wood, metal, and plastic. While specific hardness ratings cannot be confirmed without further documentation, SK Hand Tool products are generally known for their high quality and adherence to industry standards. BLACK CROSS SCREWDRIVER Bit Impact Drive Socket Adapter Head PH1 PH2 PH3 PH4 $37.20 - PicClick AU S2 steel 3/8 drive bit socket Multiple specifications/strong torque/long service life 1/4 Inch Drive Hex/Torx/Phillips/Slotted/Square Bit Socket Set (42-Piece) High strength CR-V steel sockets, increase turning power. 【Notes】Use with matched ratchet to improve speed in tightening hex drive fasteners.