ZVH1138 Features: * 0.2"" and 0.5"" Edge finder * Invaluable time savers and also an intelligent precautionary measure against damaging expense machinery * Four distinct styles and both single and double end designs * Accurately locate working edges, shoulders, grooves, center points and scribed lines * Time-saving positioning tools for jig borers, milling and other machines * Hardened and center less ground precision tolerance Dimensions: * All sizes 3"" long