Product Description: 1. V Bolt Tongs: Designed with deep V Groves in the jaws to ensure your flat stock stays deadlocked while delivering heavy hammer blows. Used to hold both round and square stock . The 5/8 size is perfect for most rail road spikes. 2. Blade Tongs: Designed for Knife-smiths these tongs will allow you to grip the knife in various positions when drawing out the blade. Sturdy, durable and versatile these tongs will handle a variety of stock thickness from 1/8 to 3/8 inches and up to 1 3/4'' wide.These tongs will be an extension of your creativity when forging knives. .