Milwaukee's ratcheting combination wrenches offer an industry-leading 2.5 deg of arc swing, allowing our users to work quickly and efficiently even in the tightest of spaces. Our 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 pc. sets come in trays designed for steel storage drawers, allowing for efficient storage with no wasted space. The 7 pc. kits come in a portable, locking storage tray, offering organization both on and off the jobsite. Standing behind our products, Milwaukee offers a lifetime guarantee on all of our ratcheting combination wrench sets.