Bosch 1 8 in Carbide Tipped Roundover Router Bit Smooth Face Hammer 7 lb Electrical Features Timer 7 lb Electrical Features Timer Better fit resulting in smoother action and less wobble in our new improved nylon leg adjustment sleeves with superior wear resistance Roundover bit – smoothly radiused edges on boards and panels requires little or no sanding before applying finish Compact ball bearing pilot – guides bit along edge of material 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 Micrograin carbide tip router bit design – ensures consistently smooth finish cuts