This adjustable wheel bearing lock nut wrench set is ideal for mounting various nuts, special nuts and caps and removing adjustable wheel bearing lock nuts. Made from high quality chrome vanadium steel, the kit is able to work for a long term in daily workshop use. Supplied in a blow mode case, all tools are easy to storage and convenient to transport. Material: Chrome Vanadium Steel Adjustable jaws with locking feature to suit both hexagon & octagon wheel bearing lock nuts Suitable for 6Pt lock nuts: 1 3/4" to 5 3/4" (49 135 mm) across the flats and 8Pt lock nuts: 1 3/4" to 5 5/8" (49 143 mm) across the flats Including 3 sets of pins to suit any pin holes on the nut Pin diameter: 1/4"(6 mm), 5/16"(8 mm), 3/8"(10 mm) Including socket wrench adapter from 3/4 “drive 1/2” drive To use with 1/2" or 3/4" Sq drive breaker bar Supplied in a blow mold case Highest quality design for long life in daily workshop use