CMT 191.505.11B Solid Carbide Upcut Spiral Flush Trim Bit 1/2" RHThe CMT 191. 505. 11B is a Upcut Spiral Router Bit with Bearing Guide. Upcut spiral bits eject chips upward for efficient chip evacuation in deep slots and pockets. Best finish on the lower face of the cut. SPECIFICATIONS Diameter (D) 1 2" Cutting Height (I) 1 1 4" Total Length (L) 3 1 2" Shank (S) 1 2" Number of Teeth 2 Product Type Upcut Spiral Router Bit with Bearing Guide Shank 1 4" Blade Material Solid Carbide Rotation Right hand (RH) Country of