RG421AHM The RG is the most recognizable and distinctive guitar in the Ibanez line. Three decades of metal have forged this high-performance machine, honing it for both speed and strength. Whether you favor a hardtail (fixed) bridge or our industry-leading locking tremolo system, the RG is a precision instrument. Product Features Wizard III Maple neck Ibanez's thin, flat and fast Wizard neck is strong and sturdy and offers unlimited playability and features a two-octave 24-fret fretboard for a wide tonal range. Maple fretboard The Maple fretboard provide crisp, bright highs and strong upper mids. Jumbo frets Jumbo frets contribute to smooth playability, especially for single-note playing. Ash body The Ash body wood imbues this bass guitar with an exotic appearance and delivers a pleasant brightness and rich sustain. Quantum H-H pickups The Quantum pickups provide accelerated bass response for exceptionally fast tracking of high-speed staccato riffing with crushing mid range and precise high-end articulation. F106 bridge The F106 bridge enriches sustain. String height adjustment can be done easily and independently.