/ Precision Measuring Tools / Precision Hand Tools / Micrometers / Outside Micrometers / 436MXRL-100 * Not actual product image 51644 436MXRL-100 Outside Micrometer 51644 Other similar products The Starrett 436 Outside Micrometer features ratchet stop, lock nut, and carbide face. 0.01mm Grad, Ratchet Stop, Lock Nut, Carbide Faces. Contact Starrett