Zymo Aged ZA-SP5 Tremolo Springs (5 pieces) AHEAD The shell is made of

The shell is made of Siamese oak

you can select Passive mode output as you prefer

making it easy to play even on a dark stage

producing a brilliant sound

Strap pin: ESP Strap Lock ESL-01

Zymo Aged ZA-SP5 Tremolo Springs (5 pieces) AHEAD The shell is made ofUsing a unique biotechnology based manufacturing process, we ferment the metal and create special bacteria that promote the aging process, creating the feel of a guitar that has been played for many years. This creates the world's first parts that "create the resonance and tone of an old guitar by applying an invisible, random, natural fermentation process (aging) to the metal parts." Introducing "sound aging parts" that create a vintage tone through