Machine finished and made of cast iron.
Two types available, the A type which is composed of three 90o vshaped indentations of various depths and the B type which has one 90o vshaped indentation.
A set of two pieces can be used in mechanical processing and inspection as a holding table for marking off round rods and right angle bodies, or to hold round marks.
An A type block equipped with a clip is also available upon request.