Magnetic Base and Black Face Indicator has a range of 0-1" with graduation of .001" and also mounts test indicators with 1/4" post. Magnetic base also features 85 lb. pull, on-off lever release magnet and V-base for placing on round surfaces. Indicator has a continuous reading of 0-100 with a revolution counter and tolerance indicators. Base dimensions: 2" x 2-11/32" x 1-13/16".We ship APO, FPO and combine shipping.