KDT9060 Features: -Ratcheting box end needs as little as 5 degrees to move a fastener vs. 30 degrees for standard box end wrenches .-Surface Drive on box end reduces fastener rounding and provides a stronger grip on fasteners .-Delivers ratcheting productivity to very large fasteners and saves time and energy .-Long pattern wrenches provide excellent leverage and power .-Heavy duty to withstand the most challenging work environmentThis wrench delivers ratcheting productivity to very large fasteners unlike a traditional combination wrench that is cumbersome and difficult to reset on the fastener..-1-5/16" Jumbo Combination Ratcheting Wrench. Warranty: -Lifetime warranty does not cover abuse.