The RG657K is an RG series solid body electric guitar model introduced by Ibanez in 2016. It is part of the higher end, Japanese-made Prestige line.
The RG657K features a basswood body with an Australian blackwood top with binding bolted to a maple and walnut Super Wizard HP neck with a 24-fret marbled rosewood fingerboard with dot position markers. Components included DiMarzio pickups in a humbucker/ single-coil/ humbucker arrangement mounted directly to the body, an Edge double locking tremolo bridge with a locking nut and Gotoh tuning machines.
The RG657PB is a similar model with a mahogany body with a poplar burl top. The RG657MSK is a related model with a mahogany body with a silky oak top and a maple fretboard.