Milwaukee® SHOCKWAVE Impact Duty™ Sockets are engineered for extreme durability and up to 10x life. Made from proprietary steel and heat treated to control hardness, the SHOCKWAVE Impact Duty™ Sockets feature thin wall construction for access in tight spaces and 6 point deep wells for unyielding bit engagement. Broadly targeting cordless users, the SHOCKWAVE Impact Duty™ accessory line is not only ideal for heavy duty impact applications, but delivers a full system solution for all the user's drilling and fastening needs. Includes: (1) 5/16 SHOCKWAVE Impact Socket (1) 3/8 SHOCKWAVE Impact Socket (1) 7/16 SHOCKWAVE Impact Socket (1) 1/2 SHOCKWAVE Impact Socket (1) 9/16 SHOCKWAVE Impact Socket (1) 5/8 SHOCKWAVE Impact Socket (1) 11/16 SHOCKWAVE Impact Socket (1) 3/4 SHOCKWAVE Impact Socket .