Starrett 440Z-9RL Micrometer Set 9" 2-1/2" Base-Ratchet Locknut 9 Rods

The Starrett 440Z-9RL Mechanical Depth Micrometer Set has a measuring Range of 0-9" with 2-1/2" Base Length and .001" graduations with a Ratchet Stop, Lock Nut and 9 Rods in a padded case. Features a combination ratchet and speeder, for uniform pressure and quicker adjustment. This set allows the depths of holes, slots, shoulders and projections to be measured. The satin chrome reading surface is glare free and resists rust.