#78 Micrometer Depth Gage

- 449AZ-3R Micrometer Depth Gage with Non-Rotating Blade
- The Starrett 449, 449M Series Micrometer Depth Gage with Non-Rotating Blade includes a .045" thick x 1/8" wide (1.2 x 3.2mm) blade that can be turned with the fingers and positioned at any angle relative to the base
- In operation, the blade does not turn, but moves perpendicularly only, permitting depth measurement of narrow shoulders without the blade rolling off
- This is also ideal for slots and recesses as narrow as .045" (1.2mm). Furnished with a 2-1/2" (63mm) or a 4" (100mm) base. 0-3" Range, .001" Grad, 2 1/2" Base, 3 Rods, in Case