This version of the panel pilot Bit has a stagger-tooth configuration for fast, clean cuts, coupled with a solid pilot between the cutting edges. Designed specifically for the Caravan, Star wagon, Trailer, coach, Mobile/motor home, rv-manufacturing Industries and shed manufacturers to cut openings in ceilings and sidewalls, it can be used in any setup that has a template between the materials to be cut, #51314, diameter (D) 1/2, cutting height (B) 2-13/16, Shank (D) 1/2, overall length (L) 4-1/4, e 3/8, B1 1-1/8, F 1/2, flutes stagger, B2 1-3/16, 51314 carbide Tipped stagger tooth plunge panel with center pilot 1/2 dia x 2-3/16 x 1/2 inch shank