Eastwood Stitch Weld Magnets - set of 8 - 20421Super strong magnets hold patch panels in place from the outside, perfect for blind repairs. 8 pack of strong rare earth magnets 1 2 inch (12. 7mm) diameter disc Strong enough to hold patch panels Hold flush patches in perfect alignment Position panels with no gaps Perfect for blind repairs 90 Day Warranty If you have ever tried to weld a patch panel into a spot where you cant access the back side, these rare earth magnets are a life saver. Do blind