OTC 1931 3-5/8" Spanner Wrench

Six-lug, spanner-type wrenches remove and install rear wheel bearing locknuts, They're built for use with a ¾" square-drive ratchet or breaker bar

Specifications:

Socket Outside Diameter: 3-5/8"
Weightt: 3 lbs, 14 oz.
No. 1931 – Wrench for servicing Chevrolet and GMC 15,000 lb. axles; 17,000 lb 2-speed axles; 15,000 lb trailing axles. Socket O.D. is 3-5/8". Wt., 3 lbs., 14 oz.