The GRX20EXB features a poplar body bolted to a maple neck with a 22-fret jatoba fretboard with white dot position markers. Components include a pair of Ibanez Infinity R humbucking pickups mounted in a black pickguard, and a six-screw synchronised tremolo bridge and plastic nut.
The GRX20 is a similar model with chrome hardware. The GRX22EX is a related model without the pickguard and with chrome hardware.
- Neck Type: GRX Maple neck
- Body: Poplar body
- Fretboard: Jatoba fretboard w/White dot inlay
- Frets: Medium frets
- Bridge: FAT-6 tremolo bridge
- Neck Pickup: Infinity R (H) neck pickup (Passive/Ceramic)
- Bridge Pickup: Infinity R (H) bridge pickup (Passive/Ceramic)
- Hardware Color: Black