Helps for forming a square box
Helps for bending sheet metal easily
Prevents burrs forming after cutting
Prevents the sheet from damage
Twisting
Cupping
Cracking
Irregularity
Knot
V-notch
Slant notch
Square notch
Straight notch
Cutting keyways
Cutting curved grooves
Squaring materials at corners
Removing metal from large flat surface
