4 PC Edge & Center Finders DOUBLE SINGLE End Shank Wiggler 4 PC edge & center finder Shank Diameter: 3/8", 1/2" ; Hardened and ground on all working surfaces Locates edge quickly-shoulders, grooves, center points and scribed line Time saving positing tool for jig borers, milling and other machines Quantity: 1 ; Case INCLUDED ; Weight: 7 ounce