Cut individual flutes - shallow, small-radius grooves - in narrow edges without having to balance a router on that Edge. The bit cuts at right angles to the bit axis. Flute depth is controlled by the pilot bearing, the flute's position by the router's bit-height setting. Use in a handheld or table-mounted router, #54332, diameter (D) 7/8, radius (r) 13/64, cutting Height (B) 3/8, shank (D) 1/4, overall length (L) 2-3/8, replacement collar 47724, replacement bearing 47701, 47706, flutes 2, C 1/4, 54332 carbide Tipped edge Fluting assembly 13/64 radius x 7/8 dia x 3/8 x 1/4 inch Shank