Shadow Humbucker Frame Chromatic Tuner Fits Bridge Position - Cream - HHB-TTRC Chromatic Humbucker Ring tuner for tremolo guitars ; Color: Cream Runs on a single button cell lasts through roughly 2000 tunings of approximately one minute each ; Single-button turn-on and automatic shut-off Bright Multi-colored LEDs ; No wood working necessary Part Number: SHHB-TTRC Available at Ant Hill Music!