Peacock Dial Test Indicator Features Include... 0.040" Range 0.0005" Graduations 0-20-0 Dial Reading 1.375" Dial Diameter Black Face 1.750" Contact Point Length Includes .038", .078", & .125" diameter Contact Points includes 3/8", 1/4", & 5/32" diameter Holder Stems Automatic reversing contact point 180° swing on point and shaft Fully jeweled movements Dovetails on top and back