30-Piece Round Hole Punch Die Set-Compatible with CH-70 Machine, Heavy Duty Metal Punching Dies for Steel Sheet, Copper Plate, Aluminum Plate (30-Piece Round Hole Punch Die Set)

30-Piece Round Hole Punch Die Set-Compatible with CH-70 Machine, Heavy Duty Metal Punching Dies for Steel Sheet, Copper Plate, Aluminum Plate (30-Piece Round Hole Punch Die Set)