Starrett 436.1XRL 5 Outside Micrometre, Ratchet Stop, Lock Nut, Carbide Faces, 4 5" Range, 0.001" Graduation, +/ 0.00015" Accuracy

Tapered frame for measuring narrow slots and tight spaces Vernier scale in inch units for taking precise outside diameter (OD) measurements Ratchet-stop mechanism helps provide uniform pressure for precise, repeatable measurements Satin chrome finish on thimble and sleeve helps resist rust and reduce glare Micro-lapped carbide measuring faces help provide accuracy and wear resistance Extremely hard and stable one-piece spindle - the heart of its accuracy Satin chrome finish with micro-lapped carbide faces, ratchet stop and a ring type knurled lock nut Graduation: 0.001" Anvil diameter is .250" Accurate, rugged, and easy to use