Dagger Tools reverse curve light stretching auto body hammer, 4 1/8" head length, one face 1" convex radius-1 1/8" diameter face with radius vertical & one face 1" convex radius- 1" square face with radius horizontal 12" long Hickory handle. Forged steel, hardened, high luster polish head. .9 lbs weight. A perfect hammer for light stretching in a linear direction, for fitting of doors edges and flanges, fenders or tight curved shaped panels for proper fitting. For metal shaping, auto body repair and restoration, metalworking, sheet metal fabrication.