13pcs bi-metal hole saw set

9pcs hole saw: 3/4"(19mm),7/8"(22mm),1-1/8"(29mm),1-3/8"(35mm)

                         1-1/2"(38mm),1-3/4"(44mm),2"(51mm),2-1/4"(57mm)

                          2-1/2"(64mm)

2pcs arbors:  3/8" hex ,fit 14-30mm; 7/16" hex,fit 32-210mm

1pc pilot drill: 1/4"*76mm

1pc adapter: 1/2-20UNF-5/8"-18UNF

Package: 10sets/ctns

               n.w./g.w.:17/18kgs

            meast: 41.5*25.5*33.5cm