Reverse Curve Panel Hammer for close work on concave and recessed panels......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........Polished striking heads and cheeks......High grade 1078 steel..... 12" long American Hickory handle, .9 lbs weight....... A perfect hammer for light stretching and fitting of doors, fenders or tight curved shaped panels.