GEARWRENCH® has redefined performance with the 120XP™ ratcheting wrenches, all of which have 120 unique ratcheting positions and a 3 degree swing arc. These ratcheting wrenches provide the best access possible and feature a tighter swing arc, a longer beam, a reduced diameter ratcheting box-end, and a slim line open-end design. GEARWRENCH® 120XP™ Box End Wrench, Flexible Head Universal, Series: XL Series, Measurement System: Metric, Ratcheting/Spline Wrench, 13 mm Wrench Opening, 15 in Overall Length, 0 deg Offset, 0.8 x 1 in Box End Width, 0.35 x 0.34 in Box End Thickness, Standard Handle, Specifications Met: ASME B107.6, Solid Steel, Polished Chrome