Extra Heavy Bundle Breaker is the strongest of the family, with a 37% cut to hold ratio. It is best suited for running across the flutes on light to heavy single wall corrugated and with the flutes on some lighter double wall.

Thickness
4 Pt. (0.71 mm)

Standard Features
.230” (5.83 mm) deep top notch
.375” (9.5 mm) back notch for curved
Accu Tooth alignment on all cut segments

indicates a National Steel Rule innovation.

Extra Heavy (.095 x .055)(2.41 mm x 1.40 mm), 37% hold shown.