Drive 23MM Deep 6 Point Socket features the boldest, longest-lasting markings and extreme impact durability in high torque applications. The stamped and ink-filled size marking enables an accurate socket selection every time throughout the life of the socket. Engineered with high-strength forged steel for optimized performance in heavy-duty applications, and a non-slip hex geometry prevents fastener rounding. The dual-hole design and ring groove allow for easy socket attachment and removal. All SHOCKWAVE Impact Duty Sockets are backed by a Lifetime Guarantee and meet ASME industry standards. Optimized for use with 3/8" drive impact wrenches, drivers, ratchets, and adapters Stamped and ink filled diameter markings for wear resistance 6-Point design made with forged impact steel for durability in high torque applications backed by our Lifetime Guarantee Deep Metric Impact Socket Dual hole design and groove for easier attachment Non-slip hex geometry to prevent socket and fastener rounding Lifetime Guarantee covers impact sockets and extensions only Laser etched part number Meets ASME Industry Standards Model Number: 49-66-6164. Age Group: adult.