Hhip Square ER-40 Collet Block 3900-5125

Block dimensions are x x 3.2",For fast set-ups on CNC machines,For parallel, square or hex shapes as well as for cross hole drilling at 60, 90 or 120 degrees,Made of tool steel hardened and ground to 0.0005" flatness, sureness and parallelism,May be used standing upright