16 pc Forstner Bit Set Woodworking Wood Drill Bits Kit - 1/4" to 2 1/8" A set of 16 high quality forstner type drill ... grooving Sizes: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2", 1-5/8", 1-3/4", 1-7/8", 2", and 2-1/8" Precision ... 16 pc Forstner Bit Set Woodworking Wood Drill Bits Kit - 1/4" to 2 1/8"