144-Position Flex-Head Ratcheting Combination Wrench Set SAE and METRIC (30-Piece). 2.5° arc swing and 144 ratcheting positions. Durable, double stacked pawls. The Milwaukee 30-Piece SAE and METRIC Flex Head Ratcheting Combination Wrench Set features 2.5° 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 30-piece ratcheting combination wrench set comes in two trays designed for steel storage drawers for efficient storage with no wasted space. Milwaukee combination wrenches feature a lifetime guarantee. Features: Flex Head, No Additional Features. Hand Tool Type: Combination Wrench. Number of Pieces: 30. Tools Product Type: Hand Tool.