radius diameter hole gauge

Do you ever need to measure the diameter of a hole? Or measure the radius of a fillet? This might be just the little tool you are looking for! Measures inside and outside curves Measures hole diameters, which inside radius tools will not do. multipurpose accurate Outside curves measurement is easily accurate to +/- 0.5mm, as good as flat radius measurement sets Inside curves are easy to read Some downsides in measuring holes: the hole must be deep enough (a little) more difficult to read if there is a chamfer on the top of the hole