Posted on January 11, 2010August 20, 2021 by Dale Phillips Letter: Installing Pegheads Letter: Installing Pegheads by David Golber Originally published in American Lutherie #102, 2010 Dear American Lutherie, A couple years ago a customer asked me about installing Pegheds/Knilling Perfection Planetary Pegs in his instrument. I read the instructions, sent by Mr. Herin, for installing them: he said to use Gorilla Glue. Now I get nervous. I’m being told to glue something into a $5000 instrument with Gorilla Glue. Hmm. I wrote to him asking how to remove them. I got no reply. These are mechanical devices. What lifetime do they have? Ten years? Twenty? Thirty? (Thirty years is a good lifetime for industrial products.) Does the manufacturer put a warranty on them? For how long? Will the manufacturer even be in existence thirty years from now? Become A Member to Continue Reading This Article This article is part of our premium web content offered to Guild members. To view this and other web articles, join the Guild of American Luthiers. Members also receive 4 annual issues of American Lutherie and get discounts on products. For details, visit the membership page. If you are already a member, login for access or contact us to setup your account.