•0~1" movement to check recessed diameters, internal bores, etc.
•Set with micrometers or a ring gage.
•Bezel can be rotated for zero setting and can be locked with screw.
•Carbide ball measuring points: 0.09" x 0.09"
•Button: push to close arms.
•Arm Length: 3.25"
•Arm Thickness: 0.09"