Milwaukee 49665102 SHOCKWAVE Linemans 3-in-1 Transmission Utility Socket The MILWAUKEE SHOCKWAVETM Lineman's 3 in 1 Utility Socket provides more secure, efficient fastening in all fastening environments and orientations. The socket features a 3 in 1 square design for single sided fastening, eliminating the drop hazard of removing the socket from the adapter to change sizes. The Push and Twist Barrel Lock allows for secure, one-handed size changes, even while wearing gloves. The socket features an interior debris shield that resists interior rust and corrosion from dirt, wood chips and moisture from the jobsite. Features: 3-in-1 Square Design Push and Twist Barrel Lock Debris Shield Pin Detent Socket Adapter Optimised Shockzone Custom Alloy76 Steel 1/2" Square Drive accepts all 1/2"Square Drive Accessories 7/16" Shank Specifications: Dimensions (L x W x H): 290mm x 80mm x 80mm