.6PCS hole saw:5/8"(16mm),25/32"(20mm),1"(25mm)

      1-1/4"(32mm),1-9/16"(40mm),2"(51mm)

.2PC Arbors:3/8" hex,fit 14-30mm,

        7/16" hex,fit 32-210mm

.1PC Adapter:1/2-20UNF--5/8-18UNF