This STEEL bodied carbide Tipped bit is for bevel trimming in aluminum and plastic with a standard router. The solid construction reduces vibration for the smoothest cut possible with a two flute bit., #51434, diameter (D) 31/32, angle (a°) 45°, cutting height (B) 1/4, shank (D) 1/4, overall length (L) 1-15/16, replacement bearing 47706, max RPM 35, 000, flutes 2, D1 1/2, 51434 carbide Tipped aluminum & plastic cutting bevel trim 45 degree x 31/32 dia x 1/4 x 1/4 inch shank