13 Pcs Bi-metal hole saw set Material: HSS M3 Bi-metal Size:19mm(3/4")/22mm(7/8")/29mm(1-1/8")/35mm(1-3/8")/38mm(1-1/2")/44mm(1-3/4")/51mm(2")/57mm(2-1/4")/64mm(2-1/2") 1 pcs arbor:3/8" Hex Shank,Fit Size:9/16"~1-3/16" 1 pcs arbor:7/16" Hex Shank,Fit Size:1-1/4"~8-17/64" 1 pcs…