The Milwaukee 48-22-9413 combination wrench set features MAX BITE open end grip for improved fastener hold and reduced rounding. A 2.5 inch arc swing provides better access in tight spaces, while the ratcheting box end uses double stacked pawls to deliver 144 positions for precise adjustments. The ergonomic I beam handle offers comfort and control during extended use. Ink filled size labels improve visibility and long term readability. The set is built for professional mechanics and shop environments and is backed by a lifetime guarantee for durability and reliability.