Milwaukee's ratcheting combination wrenches offer an industry-leading 2.5 of arc swing， allowing users to work quickly and efficiently even in the tightest of spaces. Durable double-stacked pawls in the ratcheting mechanism offer longest ratchet life and best access with 144 ratcheting positions. The MAX BITE open-end grip improves the wrench's grip on nuts and bolts， offering 25% more torque than smooth-faced wrenches. The comfortable I-Beam handle design allows superior user comfort. Milwaukee wrenches feature ink-filled size labels for easy size identification， as well as quick distinction between SAE and metric sets. The 15-Piece sets come in trays designed for steel storage drawers， allowing for efficient storage with no wasted space. Include one each: 8 mm， 9 mm， 10 mm， 11 mm， 12 mm， 13 mm， 14 mm， 15 mm， 16 mm， 17 mm， 18 mm， 19 mm， 20 mm， 21 mm， 22 mm.