Stanley locking adjustable wrenches stanley 4 87 990 dynagrip ratcheting wrench with self ratcheting action for faster tightening of fastenersno need to remove from fastener while tightening or looseningcushion jaw prevents damage to fastener in useeasy to engage all sizes of fastening within size rangesize 17 24mm stanley 4 87 990 ratcheting wrench 17 24mm