Installing Whittner fine tune pegs in a 1973 McSpadden
Instruments- discuss specific features, luthiers, instrument problems & questions
Ken, "Perfection pegs" are made by Knilling. That's their brand name. And "Pegheds" are made by an different company. As are Wittner "Fine-Tunes", I believe.

It was a fun project and have been asked to demo it on a few occasions.