Irwin Brace Auger Bit 20/16 inch Mainbor
This is a nice clean 20/16", 1.25"diameter auger bit in usable condition. It is marked "THE IRWIN COMPANY MAINBOR" on the shank and also 20 on the tapered square bit stock. It is 9.5" long overall. It has some light discoloration on the metal surfaces, but no no damage or issues effecting the cutting surface as it is very sharp and ready to use.