The Charvel 550XL is part of the Charvel Professional Series. Features a neck-through construction, Schaller Floyd Rose Tremolo and an HH pickup configuration. I'm not sure about the neck pickup. It looks like a rails like humbucker in single coil format and it is slanted. (update: it's the Jackson J-200R)The Bridge humbucker is said to be the Jackson J-90. The scale of the neck is 25.5" and has 24 frets. The lower horn has extra scooped cutouts to reach the upper frets. It is a similar guitar to the Charvel Model 5FX.