Pro Series Signature Mark Heylmun Rhoads RR24-7, Ebony Fingerboard, Lux The Jackson Pro Series Signature Mark Heylmun RR24-7 is a premium guitar designed for progressive metal players seeking precision and accuracy. Crafted in partnership with Suicide Silence guitarist Mark Heylmun, it boasts a 26.5" scale, Nyatoh body, through-body maple neck with graphite reinforcement, and 12˝-16˝ compound radius bound ebony fingerboard with 24 jumbo frets. The active Fishman® Fluence® Modern PRF-MH7 humbucking bridge and neck pickups, three-way toggle switch, single volume control, and push/pull voice activation provide a range of tonal options. The Floyd Rose® 1000 series bridge ensures excellent tuning stability, while the Gloss Black finish with reverse 7-in line color matched Jackson headstock and gold hardware looks stunning.