Extra Light Bundle Breaker is the lightest version in the bundle breaker family. At 22.5% cut to hold ratio, it has the easiest breaking structure. It is best used for light to medium weight single wall running with the flutes.

Thickness
4 Pt. (0.71 mm)

Standard Features
.230” (5.83 mm) deep top notch
.375” (9.5 mm) back notch for curved

indicates a National Steel Rule innovation.

Xtra Light (.155 x .045) (3.94 mm x 1.14 mm), 22.5% hold shown.