We have a box chain here and it is stamped 925 as Italy 925 now I don't really believe that so I'm going to start off at a low parameter say around 225 volts, four milliseconds, and 6.6 millimeter beam size.  And just cut this open.  Now it could just weld the boxes together you know could just just hold them together like that and just tack them together but I'm going to try to and going to get this done a better way. Cut this a little bit more, make it a little bit bigger.  Okay so grab this, put that in there, and there we have it in, and close it up.  I'm going to weld it together.  Okay and then press down on a little harder welding it together good.  Fill in that area got some I frame wire which I like to use it on chains.  It's a low melting temperature silver solder and let me get this just right. Okay good just shoot it off.  So here we have a little box chain fully articulated not going to really notice where the break was.