Completes the KDT85988 12 piece metric Gearbox set. Zero degree offset and slim profile provide access to the tight spaces and recessed fasteners. Beam is up to 40% longer to increase leverage and maximize torque strength. Surface Drive Plus improves box end strength and reduces fastener rounding This latest addition to the GearWrench brand of high quality, innovative ratcheting wrenches is a double box design including two of the most popular box wrench styles on each wrench. One end features the even stronger XL GearWrench ratcheting box and the other a zero degree offset solid box for accessing recessed and counter sunk fasteners. For even greater access these two great styles are incorporated into a wrench with a beam that is up to 40% longer for unsurpassed leverage. Sizes include: 20mm, 21mm, 22mm, 24mm and 25mm.