Digital pocket mini guage caliper

This is a digital mini gem stone gauge caliper will do anything that a leveridge gauge is used for . display results in digital format, measure ouside diameter,depth and thickness of gemstones,this is compact pocket size very handy. for many other precision uses also. Comes with instructions manuel. retail is $79.95 It measures,from 0 to 25mm with an accuracy of 0.01mm.