Neiko 02461A 3/4" Drive Deep Impact Socket Set with Carrying Case, 8 Piece, CR-V Steel, 1-1-1/2" Exclusively designed for use with impact wrenches, set of 8 high-torque, 6-point SAE sockets with  drive to remove tough nuts and bolts fasteners Unique design grips the flat sides of fasteners rather than the corners to offer security and prevent stripping/ rounding off of bolts Precisely machined, heat treated black chrome vanadium steel with a corrosion resistant black phosphate coating provides excellent durability and strength with every impact movement Wide range of socket sizes to fit multiple applications including eight common SAE socket sizes (1, 1-1/16, 1-1/8, 1-1/4, 1-5/16, 1-3/8, 1-7/16, 1-1/2 inch) High-contrast visibility permanent laser etched size markings are easy-to-read in low light for easy retrieval and identification