.6pcs hole saw:3/4"(19mm),7/8"(22mm),1-1/8"(29mm)

       1-1/2"(38mm),1-3/4"(44mm),2-1/4"(57mm)

.2pcs arbors:3/8"hex ,fit 14-30mm,

         7/16"hex,fit32-210mm

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