Milwaukee has designed the combination wrenches from the ground up， delivering maximum torque and ultimate user comfort. The MAX BITE open-end grip improves the wrench's grip on nuts and bolts， and the geometry reduces rounding and stripping. The comfortable I-Beam handle design allows superior user comfort even while applying high torque. Milwaukee wrenches feature ink-filled size labels for easy size identification and quick distinction between SAE and metric sets. The 15-piece kit comes in a storage tray designed for long-term storage keeping the tool chest organized. Includes one each: 1/4 In.， 9/32 In.， 5/16 In.， 7/8 In.， 11/32 In.， 3/8 In.， 7/16 In.， 1/2 In.， 9/16 In.， 5/8 In.， 11/16 In.， 3/4 In.， 13/16 In.， 15/16 In.， 1 In.