KDT85021 Features: -Surface Drive Plus™ provides stronger grip on fasteners and nearly eliminates fastener rounding.-5 degree ratcheting arc vs. 30 degree on standard combination wrenches.-Improved comfort - oval shape beam.-Box end strength improved by up to 20pct.-Up to 20pct longer than standard wrenches Size stamped on both sides and on head for ease in identification..-XL Combination Ratcheting Wrench - 21mm. Warranty: -Lifetime warranty does not cover abuse..
Surface Drive Plus provides stronger grip on fasteners, nearly eliminating fastener rounding
Oval shape beam provides improved comfort
Ratcheting box-end needs as little as 5 degrees to move fastener VS. 30 degrees for standard box end wrenches
Up to 25% longer delivering up to 25% more torque for those hard to reach fasteners
Surface Drive Design provides improved box end strength