Shockwave™ Impact Duty™ Metric 6 Point Socket Set, 29 Pcs, Impact, 1/2" Drive Size, DeepFor 1 2" 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 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 Includes: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,