46814 SATA Extra Long Locking Flex Ratcheting Wrench 21MM

◆Box end with unique SATA drive structure, effectively eliminating nut slippage and locking the control sliding block:◆Slide to the left for locking/slide to the right for unlocking◆Locking flex-head capable of rotating by 180° and locking at 13 positions◆Open end with unique SATA drive technology, effectively eliminating nut slippage◆The ratcheting wrench only needs to turn 5 degrees to rotate a nut; however, a standard box wrench need 30 degrees