Features and Benefits:Lifetime Guarantee;2.5° of Arc Swing;MAX BITE™ Open-End Grip;Ergonomic I-Beam handle with ink-filled size labels;144 Ratcheting Positions;Double stacked pawls within ratcheting mechanism for increased durability;Ink-filled size labels;The MILWAUKEE® 15 Piece SAE 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 allows for increased accessibility in areas that are difficult to reach. The MAXBITE™ Open-End Grip improves the wrench's grip on nuts and bolts, offering 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.