Milwaukee Shockwave Impact Duty sockets are engineered for extreme durability and upto 10X life. Broadly targeting cordless users, the Shockwave Impact Duty accessory line is ideal for heavy duty impact applications. Shockwave Impact Duty accessories deliver a full system solution for all the user's drilling and fastening needs. Proprietary steel and heat treat process for maximum strength and durability. Geometric design provides the shock absorption. Thin wall construction for easy access in tight spaces. Six point deep wells for unyielding bit engagement.