All 17 of the IRWIN® Blue Groove 4X Flat Bits have a patented groove point and cutting edge, designed to cut and not scrape the timber. The parabolic scoop optimises control and removal of wood chips, while the shank is 152mm in length and 10% larger in diameter for added durability. Contains the following sizes: 6, 8, 10, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 28, 32, 35 and 38mmRead less
