The body is 0.375” diameter. The contact end is 0.200” diameter.
Work surfaces may be located easily, quickly and accurately with these Starrett edge finders. Work with flat, straight edges, shoulders, grooves, round work, studs, dowels, or center points and scribed lines - all can be accurately located with this machinist edge finder. Body and contacts are made of tool steel, hardened, ground and lapped to close tolerances for diameter and concentricity.
Chris' Tips Here is a video showing how to use an edge finder.
This product works with the following mills. (If your machine is not on this list, check with us before ordering.)