Maple neck The Maple neck provides stability and bright tonal character. Purpleheart fretboard The Purpleheart fretboard emphasizes the beauty and the rich tonal character of this guitar. Double Locking tremolo The Double Locking system holds your guitar in tune even under aggressive on-stage abuse. Mono-unit output jack The mono-unit output jack is made of solid, durable material and is a single piece to avoid unwanted movement and loosening of the jack, which leads to contact failure or disconnection. This innovation allows for long term playing enjoyment and minimal maintenance.