For sale is a L.S. Starrett Co. Model No.445, 0 to 1" Micrometer Depth Gauge. 0.001" Graduations. 6" X 0.5" Gauge surface. This is a used micrometer. It operates smoothly and "zero's" correctly, but may require a light cleaning for greatest accuracy. Made in the USA. Ships in a USPS small flat rate box.