Lang Tools Box end wrench set Latch-on US sizes

5-piece ratcheting box end wrench set. Latch-on design. On regular accessible bolts a nut can be tightened or loosened up to 5 times faster than with a conventional wrench. This 'latch-on' design features a non-slip retaining ring. This ring prevents the nut/bolt to pass through the tool. Incl. 1/4" X 5/16", 3/8" X 7/16", 1/2" X 9/16", 5/8" X 3/4" and 11/16" X 7/8". Fits: > Univ.