Hole Saw12pcs kit M3 Bi-Metal Hole Saw9pcs hole saws diameter:7/8"(22mm) 1"(25mm) 1-1/8"(29mm) 1-3/8"(35mm) 1-1/2"(38mm) 1-3/4"(44mm) 2"(51mm) 2-1/4"(57mm) 2-1/2"(64mm) 2 arbors size:1/2"(13mm) 5/8"(16mm)

1 extension 12"(300mm)