Bi-Metal Hole Saw

Hole saw 12pcs set Size:20mm(25/32"),22mm(7/8"),25mm(1 "),29mm(1-1/8"),32mm(1-1/4"),35mm(1- 3/8"),38mm(1-1/2"),44mm(1- 3/4"),48mm(1-7/8"),50mm1-31/32‘) 1 pcs arbor:1/4“ Round Shank,Fit Size:9/16”~1-3/16" 1 pcs arbor:7/16“ Hex Shank,Fit Size:1-1/4”~8-17/64" Packed by Aluminum case