Timberline 670-160 Forstner Bit Set with Hex Shank, 16-Piece Includes 16 hex shank forstner bits with saw tooth design In a handy carrying and storage case Heavy duty plastic case holds forstner bits securely for storage and transporting to work sites. All popular sizes in one convenient case. Includes sizes from 1/4-Inch through 2-1/8-Inch in 1/8-Inch increments.