Professional electronic dial gauge is widely used in workshops and machine control Perfect for servicing and checking the correct installation of brake discs and all kinds of pulleys or shafts Thanks to a special magnetic base, item can be a stable measuring point for checking the runout of rotating elements Graduation 0.01 mm Measurement range 0 - 12.7 mm Mounting pin - Φ 8 mm Clock face diameter ~ Φ 57 mm