Pros :
Cons : I'm trying to use the 2 triangles in a window & the first problem is that the pattern was not made the correct width for the came or the foil, so every pc needs to be recut or ground down to fit. I also am using the Celt 4 point knot that is worse than these. Both from the same company. I am committed to the project because it's for my parents for Xmas 2010. Because of all of the extra work, maybe St. Patrick's Day.
Other Thoughts : They fit get in the pattern because of their large size, to bad they are so much work to get them to fit. Please search for a better supplier. Thanks