449BZ-3R Blade type Depth Micrometer 0-3* Range .001 Grad 4* Base with 3 Rods in case

449BZ-3R
Starrett Depth Gage with non-rotating blades
0-3" range, 4" base

By holding the base in one hand, the .045" thick x 1/8" wide (1 .2 x 3 .2mm) blade can be turned with the fingers and positioned at any angle relative to the base . In operation, 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 .

Also available with 3 rods for measuring 0-3" (0-75mm), or 6 rods for measuring 0-6" (0-150mm) in thousandths of an inch or 0 .01mm . This tool comes with the combination ratchet and speeder for uniform pressure and quicker adjustment .