A must have impact socket set for both enthusiasts and professionals. This set includes the 14 most common sizes for 1/2 drive system. Made of high-grade Chrome Molybdenum alloy with black manganese phosphate finish, these are built to last throughout ones professional career, and maybe longer. The deep and thin wall design allow users to accomplish jobs at hard to reach nuts and bolts without compromising the needed torque. A robust metal case is included for easy storage and transport.