Starrett® Depth Micrometer, Mechanical, Series: 440, 0 to 3 in, +/-0.0001 in Mic Head, +/-0.0002 in Rods Accuracy, Graduations: 0.001 in, 0.001 in Resolution, Flat Anvil, Flat Spindle, Plain Thimble.
Features
- The depths of holes, slots, shoulders and projections can be measured with these fine tools
- 2-1/2 in (63.5 mm) base and 1/8 in (3.2 mm) diameter measuring rods
- Combination ratchet and speeder for uniform pressure and quicker adjustment
- Ring-type knurled lock nut for quick and sure locking
