.6pc hole saws:7/8"(22mm),1-1/8"(29mm),1-3/8"(35mm)

      1-3/4"(44mm),2"(51mm),2-1/2"(64mm)

.2pc arbors:3/8"hex,fit 14-30mm,7/16"hex,fit32-210mm

.1pc adapter:1/2-20unf-5/8-18unf