Cylindrical Plug Cylindrical plug or ring gages have a cylindrical form and no taper. Tapered Plug Tapered plug or ring gages have a tapered or conical form. Ball / Spherical Plug Plug gages have a ...

There are several geometries and holder/handle types for plug and pin gages. Cylindrical plug and pin gages have a tubular shape and no taper. Tapered devices have a conical form. Pin and plug gages ...