Home > Tool Sets > 16 Pc. Carbide Forstner Bit Set with Hex Shank This is a most commonly used bit set from 1/4" to 2-1/8" by 1/8". A set for a lifetime of use. Also included a wooden case. 16 Pc. Carbide Forstner Bit Set with Hex Shank 132-1015$135.00