The Welders Lens welding home study course is a great place to learn how to weld and work with metal. Learn how to fit pipe. See the easy step by step fabrication of pipe and other metals with welding from http://thewelderslens.com
BUY Them Here: http://www.eastwood.com/magnetic-welding-small-jig-set.html
Powerful Magnets from Eastwood keep panels, pipes or other parts securely in place during welding,soldering and assembly operations. Shape permits panels to be arranged at 45 deg.,90 deg. or 135 deg. angles. Comes with manufacturer’s lifetime warranty. Dimensions are 4 1/2″L x 3 1/2″ W x 1/2″ D. See them in-use in this video.