49-66-6220 This 3/8 in. Deep Impact Socket is the perfect tool for removing stubborn bolts and nuts. It is made of high-quality steel that is strong enough to withstand impact. The black phosphate finish protects against corrosion, while the 6-point deep socket design provides more contact with the fastener head. This impact socket has a ratcheting configuration, allowing you to work faster and easier without having to reposition your hand or wrench when tightening or loosening bolts and nuts. The 3/8 in. Deep Impact Socket will allow you to complete tough jobs quickly and efficiently.