Features: Professional Blacksmith Tongs: Forged of heavy-duty steel and finished with linseed oil to prevent from rust and corrosion, sturdy and durable. The jaws can fully articulate and supply exceptional vise gripping strength on the work-piece during the heavy hammer hit. Square Jaw Tongs & Flat Tongs: Square Jaw Tongs for 1/2 inch square stock. Flat Tongs for 3/16 inch flat stock. Its jaws will not scratch the workpiece because of the large and smooth surface. Bolt Tongs: For 1/2 inch round stock. Designed with a deep V grove to ensure that your buttstock remains deadlocked while being able to withstand heavy hammering. .