.6pcs hole saw: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,fit14-30mm,

        7/16"hex,fit32-210mm

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