Web price onlyFor pricechoose optionsSelect Option Double End Body Diameter 10mm Contact Diameter 6mm Single End Body Diameter 10mm Contact Diameter 6mm Quantity Add to Basket Workpieces with straight edges, shoulders, grooves, studs, dowels, centre points and scribed lines can all be quickly and accurately located with this handy tool. Made of tool steel, hardened, ground and lapped.