Features and Benefits * Unique X-Beam™ design allows you to apply force to the flat of the wrench which reduces hand fatigue and increases surface contact by over 500%. * Up to 25% longer beam to access those hard to reach fasteners * Surface Drive Plus™ provides stronger grip on fasteners and delivers up to 25% more torque * Surface Drive on ratcheting box end improves box end strength and reduces fastener rounding * First tool recognized by the Arthritis Institute to significantly reduce the risk of carpal tunnel XL X-Beam Ratcheting Combination Wrench - 5/16-inch