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

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

.2pcs arbors:1/4"round,fit 14-30mm

        7/16"hex,fit 32-210mm

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