This 6-piece, 1/4" shank flush trim/roundover bit set comes in a wooden box and includes 1/4" & 3/8" flush trimming bits and 1/8", 1/4", 3/8" & 1/2" radius shear cut roundover bits. Grizzly H3427 - Flush Trim/Roundover Router Bit Set, 1/4" Shank, 6 Pc.