5C-CB 5C Collet Block Set - Hex Collet Block, Square Collet Block and Collet Closer;

For fast, short run, set-ups. Perfect for 60 Degree, 90 Degree, & 120 Degree grinding or milling on parallel flats, squares, triangles (with vee block), hexes, etc. Each block comes complete with ring closer. Takes 5C collets from 1/16" to 1 1/16". Made of tool steel, hardened and ground.parallel and square to +/- .0005". Size 1 3/4" x 1 3/4" x 3 1/4"