Powerbuilt 3/8 Inch Drive x 4MM Hex Bit Socket - 648418

Powerbuilt hex bit sockets feature sockets that use a 2 piece press-fit design for strength and durability. Socket bodies are constructed of Chrome Vanadium Steel and mated to S-2 industrial-grade steel bits. Precision ground for a tight fit on cap screws and other internal hex fasteners. Dual grease rings offer better grip and easier handling with greasy hands.

S2 steel insert bits offer maximum strength Double line (SAE) and knurled (metric) ring help easily identify standard and metric sockets Hard stamped size markings Bright, full polish chrome finish easily wipes clean and resists corrosion S2 steel insert bits offer maximum strength Double line (SAE) and knurled (metric) ring help easily identify standard and metric sockets Hard stamped size markings Bright, full polish chrome finish easily wipes clean and resists corrosion