Starrett 436.1FL 1 Outside Micrometre, Friction Thimble, Lock Nut, 0 1" Range, 0.001" Graduation, +/ 0.0001" Accuracy

Vernier scale in inch units for exact outer diameter (od) measurements Knurled friction thimble helps the quick adjustment function Satin chrome finish on thimble and sleeves helps resist rust and minimises glare Micro-lapped steel measuring surfaces help provide accuracy