Guyker Banjo Tuners - Firebird Tuning Key Pegs Machine Heads Replacement Part/s JBJ1000Key Features: Firebird style banjo tuner designed for banjo or ukulele replacement and repair projects. 1: 4 gear ratio supports practical and controlled tuning adjustment. Planet style straight through design helps keep the back of the peghead neat and compact. Suitable for ukulele banjo, tenor banjo, and plectrum banjo applications. Built for easy installation with complete mounting hardware included. Solid construction with heavy duty internal