Bi-metal hole saw set

13 Pcs Bi-metal hole saw
set 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″)