Engineered for durability and smooth operation, our pinless universal extension impact sockets deliver maximum torque and effortless reach, even in the tightest spaces Durable ball-and-socket pinless joint design has a versatile 30° angle in a smooth 360° rotation, providing effortless reach for your impact tools. 6-point WaveDrive socket design grips fasteners tighter than traditional design, preventing fastener rounding and giving you more leverage 12 in. extension lets you access even more hard-to-reach spots. Knurled non-slip grip provides enhanced control and handling, reducing slippage even in greasy or high torque environments Built from high-strength chrome molybdenum steel with a corrosion-resistant manganese phosphate finish.