Ingco 9 Pcs Plumber's bi- metal hole saw set AKH0091

9 Pcs Bi-metal hole saw set
Material: HSS M3 Bi-metal Size:19mm(3/4")/22mm(7/8")29 mm(1-1/8")/38mm(1-
1/2")/44mm(1-3/4")/57mm(2-
1/4")
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 adapter arbors with 1/2-20 threads to fit hole saws 5/8-18 threads
Packed by plastic case