This version with the plastic keystone button would have been used for 1950's date range production.
ONE Vintage 1930's - 1940's Gibson Kluson Sealfast Tuner GOLD Seal Fast
Kluson MCD33G Vintage Tulip tuners/machine heads 3x3 Gold 8.5mm
Kluson Deluxe Vintage Type Double Line Tuners - 6-in-line Set - Nickel or Gold
Kluson Deluxe Vintage Type Double Line Tulip Tuners - 3-a-side Set
KLUSON TUNERS,VINTAGE 1950S 60S SCREWS "PHILLIPS" MARTIN,GIBSON,FENDER
Kluson Style Vintage tuners - 3x3
