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.
We have our own factory–Tianjin Youyong Steel Pipe Co.,Ltd,which is a specialized enterprise for manufacturing longitudinal ERW steel pipe and galvanized steel pipe. The factory invests RMB150,000,000 yuan in total, covers an area of 110,000 square meters and owns more than 500 employees at present, including more than 50 main managerial personnel and production technical personnel.