Our SHOCKWAVE Impact Duty™ Socket Set features the boldest, longest lasting markings and extreme impact durability in high torque applications. The stamped and ink filled size marking enables you to select the right socket every time throughout the life of the socket. Engineered with high strength forged steel for optimized performance in heavy duty applications. Our sets feature removable trays that are compatible with our PACKOUT™ Organizers and fit in tool chest drawers. The non-slip hex geometry prevents fastener rounding. Our dual hole design and ring groove allows for easy socket attachment and removal. All SHOCKWAVE Impact Duty ™ Sockets and Extensions are backed by our Lifetime Guarantee and meet ASME industry standards.