PETERSON MODEL 100 GUITAR/BASS TUNER VINTAGE. I bought this tuner new in the 80's and it still works fine. The item "PETERSON MODEL 100 GUITAR/BASS TUNER VINTAGE" is in sale since Tuesday, December 29, 2020. This item is in the category "Musical Instruments & Gear\Guitars & Basses\Parts & Accessories\Tuners". The seller is "beambike" and is located in Lansdale, Pennsylvania. This item can be shipped to United States.