The Proto J7432S Impact Socket is a sturdy, high-quality tool that will make short work of your projects. This impact socket has an alloy steel construction and a black oxide finish for added durability. It is designed to withstand heavy impacts and provides exceptional grip on fasteners. Its 8 pt design allows you to apply higher torque without worrying about rounding off the fastener’s head. The Proto 1 in 8 pt Impact Socket is an efficient tool that will get the job done right.