Milwaukee's Ratcheting Combination Wrenches feature 2.5° of arc swing, allowing our users to work quickly and efficiently in tight spaces. Our mechanic's wrenches features durable double-stacked pawls in the ratcheting mechanism offer the longest ratchet life and improved access with 144 ratcheting positions. MAX BITE™ Open-End Grip improves the ratchet wrench's grip on nuts and bolts, offering 25% more torque than smoth-faced wrenches. Each combination wrench features a comfortable I-Beam handle design for improved ergonomics. Our ratcheting combination wrench set features ink-filled size labels for easy size identification, as well as quick distiction between SAE and metric sets. The 15 piece metric ratcheting combination wrench set comes in a tray designed for steel storage drawers, allowing for efficient storage with no wasted space. Milwaukee stands behind their products, offering a Lifetime Guarantee on all of their combination ratchet wrench sets.