Measuring device will fit most dial calipers. All that is needed, is to super glue one small bracket to the top of your dial caliper. This bracket can be left on, and will not stop you from using your caliper in a normal manner. This tool assembles in minutes.
Includes # 1 (.22, 6mm, .30), # 2 (.17, 6.5, .270) & #3 (.25, 7mm, .338) Sight Glasses.