ORIGINAL Bi-Metal Hole Saw Set

7Pcs Bi-metal hole saw set Size: 19mm(3/4"),22mm(7/8"),29mm(1-1/8"),32mm(1-1/4"),35mm(1-3/8") 1 Pcs adapter:1/2"-20" threads to fit hole saws 5/8"~18"thread 1 pcs arbor:3/8“ Hex Shank,Fit Size:9/16”~1-3/16" Packed by doulble blister