The IRWIN® Blue Groove 4X Flat Bits have a patented groove point and cutting edge, designed to cut and not scrape the timber. They are 4 times faster than standard flat bits. The parabolic scoop optimises control and removal of wood chips. Increased relief angle from 12° to 17°. The shank is 152mm in length and 10% larger in diameter for added durability. This IRWIN® Blue Groove 4X Wood Flat Bit Set is supplied in a wallet. Contains the following: Sizes (Ø): 10, 13, 16, 19, 22 and 25mm https://elecena.pl/product/27222364/irwin-10502826-blue-groove-4x-flat-bit-set-6-piece 2024-11-11 https://elecena.pl/product/27222364/irwin-10502826-blue-groove-4x-flat-bit-set-6-piece 2025-03-12 https://elecena.pl/product/27222364/irwin-10502826-blue-groove-4x-flat-bit-set-6-piece 2025-03-23 https://elecena.pl/product/27222364/irwin-10502826-blue-groove-4x-flat-bit-set-6-piece 2025-09-18 https://elecena.pl/product/27222364/irwin-10502826-blue-groove-4x-flat-bit-set-6-piece 2026-03-17 https://elecena.pl/product/27222364/irwin-10502826-blue-groove-4x-flat-bit-set-6-piece 2026-05-03 https://elecena.pl/product/27222364/irwin-10502826-blue-groove-4x-flat-bit-set-6-piece 2026-07-10 https://elecena.pl/product/27222364/irwin-10502826-blue-groove-4x-flat-bit-set-6-piece 2026-10-12 https://elecena.pl/product/27222364/irwin-10502826-blue-groove-4x-flat-bit-set-6-piece 2026-11-04