Check the listing for details. Blacksmith Rivet Doming Punch Bucking Tools Factory Formed 1/2" Head 5/16" Dome. Condition: New. Listed at 28.91 USD. Blacksmith Rivet Doming Punch Bucking Tools Factory Formed 1/2" Head 5/16" DomeFitment:Designed for blacksmith and fit for Factory manufactured size 1/2 inches round head rivets Features: 1) This tools set allow you to hold the factory formed head without damaging it. Rivet Bucking Tool protects the shape of the head of your rivet while riveting to prevent the head from flattening. Rivet Heading Tool is used for giving a rounded and finished look to your rivet 2) Made from heavy duty 4140 stainless steel hardened and heat treated, the tools are so tough that could endure vigorous hammering, solid and durable, portable and lightweight, rust and corrosion resistance 3) Designed to fit factory manufactured rivet head sizes. 5/16" dome tool made from tough 4140 steel. Specially designed for blacksmiths forging Package included:1 Base and Rivet punch