Starrett’s popular precision External Micrometer is furnished with ratchet stop, lock nut and carbide measuring faces. Rigid one piece steel frame, ribbed for extra strength and tapered for use in narrow slots. Features Starrett’s satin chrome finish for no glare and rust resistance.

The Starrett 436.1MXRL-50 Outside Micrometer has the following specification:

Size: 25-50mm.
Graduation: 0.01mm.