Stud welding has never been more ergonomically fitting than with New Rule Products. After 2 years of government funded safety research, out stud welding system was proven to be at least 250% safer on the backs of ironworkers. In addition, because the stud gun is always perpendicular to the deck, we have found that this results in a very low percentage of stud knockoffs. This is just one of the innovative ideas and tools from New Rule Products. Please go to www.newruleproducts.com for more details