0-1" Mechanical Digital Style Micrometer CEN3M201 Cooling System Socket comes with an O-ring

Socket comes with an O-ring to hold a 7/8" wrench in place

Heat treated and chrome vanadium steel pieces offer maximum durability and craftsmanship

Features and Benefits Stubby pattern length - Extreme Access

1/2" Drive x 18mm Extra-Deep

0-1" Mechanical Digital Style Micrometer CEN3M201 Cooling System Socket comes with an O-ring0 1" Mechanical Digital Style Micrometer Features and Benefits: Mechanical digital style Storm Series . 0 1" range 0. 0001" graduations Packaged in a plastic case Limited Warranty Measure your rotors before and after machining to be sure they meet the required minimum thickness specification. This micrometer is used for precisely measuring thickness of brake rotors surfaces. It provides accurate, quick measurements.