George offers a good solution for a really good fix. If you have more time, I'd use some Acraglas. It has an hour working time and is a permanent fix. I'm bias because I use the 'glas for all my work.If you use the 'glas gel it will make a decent gap filler, and the light honey color will be invisible when set up with the spacers. It even makes a great solderless attatchment for guards and bolsters as long as you use oilfree and clean joints that are roughed up a bit with rough sandpaper or something similar. I usually clean the joints with a solvent to remove any oil or contaminates before my gluing work as a step process, anyhow. Good luck with your fix job, guy.