Bosch 1 2 in Carbide Tipped Trimming Router Bit 8x24 Tile W x 26 1 8 in Hardware Materials W x 26 1 8 in It’s a refined essential that elevates curb appeal with effortless sophistication and pattern cutting Two ball bearings – designed to widen the bearing surface and reduce template wear Reinforced shanks – feature fully hardened and tempered steel shanks that provide ultimate durability Upgraded micrograin carbide – engineered for precise cuts and for long bit life Bosch exclusive heat treating process – provides hardness and withstands high temperatures Comprehensive line of bits – features hundreds of profiles for mortising surface forming