The GEARWRENCH XL GearBox double box ratcheting wrenches feature a non-ratcheting box end for breaking loose stubborn fasteners and a ratcheting box end to make quick work of loosening and tightening fasteners without having to remove the wrench. The wrenches are up to 40% longer than our standard double box ratcheting wrenches providing more access and strength to fasteners. The ratcheting box end is designed to need as little as 5° to move fasteners versus 30° for standard wrenches. The wrenches are made from a strong alloy steel with a bright, full polish chrome finish. The ratcheting box end features off-corner loading for a better grip on the fastener and reduces fastener rounding. The 0° offset on both ends and slim profile of the wrench provides greater access to fasteners in the tightest spaces. The 85987 is a 5 piece metric set that includes sizes 20 mm to 25 mm. 72 Tooth Ratcheting Box End Needs A Minimal 5° To Move Fasteners vs. 30° For Standard Wrenches. Off-Corner Loading Design Reduces Fastener Rounding. Size Conveniently Stamped On Both Ends Of The Beam For Quick Identification. 0° Offset On Non-Ratcheting End For Breaking Loose Stubborn Fasteners. Manufactured From Alloy Steel For Better Strength And Longer Tool Life.