Whiteside 1980 Small Pilot Roundover Router Bit. An extra small brass pilot (5/32" diameter) allows this bit to round over edges on finely detailed work pieces with intricate contours, tight corners, and narrow openings. Get professional results without tedious hand sanding. Carbide tipped. Double flute. Whiteside Machine Company - Claremont, North Carolina. Specifications SH = Shank Size. R = Radius LD = Large Diameter. CL = Cutting Length. OAL = Overall Length 1/4" SH x 1/8" R x 3/8" LD x 7/16" CL x 2" OAL Model: 1980