Martin Tools 7pc Check Nut Wrench Set 1/2""-7/8

This tool set includes 7 industrial black Check Nut Wrenches along with a kit bag. Check Nut wrenches are drop forged from steel bar. These wrenches are available in fractional sizes from 1/2"" through 1-11/16"" and in Metric sizes from 10mm through 41mm. These wrenches are used on check nuts; stop nuts; jam nuts; and hydraulic fitting. The smaller sizes compliment service wrenches. (Also referred to as Thin Head Wrench) These are special purpose unusually thin head single end wrenches with a 15 degree angled slotted opening. They are generally used for servicing extremely thin adjusting and/or lock nuts.