Features 1.It contains five types of tong blanks that are essential in almost every shop. 2.Machined from 5/16" thick mild steel, making the tongs lighter and easier to handle when working with smaller stock sizes. 3.Comes with instructions for completion and a rivet for each set. 4.You need to drill or punch. Heat and hit them to get it right. But it’s not difficult. 5.If you're not 100% satisfied with our item, simply return it for a full refund in 30 days, no questions asked money back guarantee with 18 months’ warranty. Product Description .