Hole saw9pcs setM3/M42 bi-metal construction for heavy duty cutting.

6PC Hole Saws: 3/4” (19mm), 7/8” (22mm),

              1-1/8” (29mm), 1-1/2” (38mm),

 1-3/4” (44mm), 2-1/4” (57mm)

2PC Arbors: YF-10A-303, YF-10A-315

1PC Hex Wrench