OTC 7308 Hook Spanner Wrench
These pieces will replace many fixed-size wrenches needed to service industrial tractors and other equipment. Their drop-forged jaws adjust to 11 positions for a capacity of 4-3/4" to 12-3/4" O.D.
Spanner wrench with two interchangeable jaws: one 3/8" thick, one 3/4" thick.
Weight: 11 lbs. 7 oz.