This 16-Pc. Forstner Bit Set has improved back angles and precision grinding resulting in faster, smoother cutting and easier chip removal. Sharp, high carbon steel and hex shanks for no slippage make boring a breeze. Includes: 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". The unique folding wooden case allows the lid to fold completely under the bottom and bit~storage racks tilt out for easy access.