Bosch FB1600 Forstner Drill Bit Set with Wood Case, Use for Portable Drills or Stationary Machines (16-Piece) - - Amazon.com
Freud PB-010: 1-3/8" (Dia.) Forstner Bit - - Amazon.com
Steelex D1010 1-3/8" Forstner Bit - - Amazon.com
Amazon.com: Fisch FSA-196037 16pce Wave Cutter Forstner Bit Set In Custom Wooden Box, Includes bits from 1/4-Inch up to 2-1/8-Inch : Industrial & Scientific
FAMAG Forstner Bit Classic Ws 15-Piece Set, D=10-50 Mm (See Features) - - Amazon.com