Head Diameter : 7/16" [11 mm], Shank Length : 5/8" [16 mm] * Never get scratched by soft face hammers * Made by top grade materials, bright, Shiny and Beautiful * Smoke Color [Transparent Dark Gray] Diamonds, * Need to use Pliers to catch nails before hammering, they are small and hammer them by free hand may be dangerous and cause shanks bending !!!