"Super Duty" tool features a 3" deep throat, with heavy reinforced cast iron frame to prevent "Yawning" or flexing allowing forming metal faster than lighter weight tools.
Model WFSS-SD will form sheet metal up to 18 gauge thickness or aluminum up to 1/16" thick.
The ideal tool for making those hard to find patch panels around windshield corners, trunk seals, wheel well openings or custom sheet metal edges and corners.