The MILWAUKEE 15 Piece Metric Flex Head Ratcheting Combination Wrench Set features 2.5 degrees of arc swing and 144 ratcheting positions, allowing quick and efficient work in tight spaces. The flex head wrenches have double-stacked pawls within the ratcheting mechanism, which increases durability and extends the life of the tools. The flexible head gives users increased accessibility in difficult-to-reach areas. The MAXBITE Open-End Grip improves the wrench’s grip on nuts and bolts, offering users 25% more torque than smooth-faced wrenches. This flex head wrench set feature ergonomic I-Beam handles designed for improved comfort and ink-filled size labels for easy size identification and quick distinction between SAE and metric sets. The 15-piece ratcheting combination wrench set comes in a tray designed for steel storage drawers for efficient storage with no wasted space. Milwaukee combination wrenches feature a lifetime guarantee. 2.5° of arc swing. Double stacked pawls within ratcheting mechanism for increased durability. MAX BITE open-end grip for 25% more torque. Comfortable I-beam handle design. Adjustable set screw for preferred flex head tension. Includes: 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.