The Ibanez SZ is a modern 6-string electric guitar

Electric guitar

An electric guitar is a guitar that uses the principle of direct electromagnetic induction to convert vibrations of its metal strings into electric audio signals. The signal generated by an electric guitar is too weak to drive a loudspeaker, so it is amplified before sending it to a loudspeaker...

 made by Ibanez

Ibanez

is a Japanese guitar brand owned by Hoshino Gakki. Based in Nagoya, Aichi, Japan, Hoshino Gakki were one of the first Japanese musical instrument companies to gain a significant foothold in import guitar sales in the United States and Europe, as well as the first brand of guitars to mass produce...

, and is an offshoot of the Ibanez S

Ibanez S

The Ibanez S Series is a guitar series produced by Hoshino Gakki. Introduced in the late 1980s, the S Series is notable for being a streamlined mahogany bodied guitar with a maple neck that plays comfortably while retaining the resonance of mahogany...

 family. Like the S, the SZ features a mahogany

Mahogany

The name mahogany is used when referring to numerous varieties of dark-colored hardwood. It is a native American word originally used for the wood of the species Swietenia mahagoni, known as West Indian or Cuban mahogany....

 body. The SZ has a 25.1" scale. All SZ are hardtail. One of the best known SZ players is former Megadeth

Megadeth

Megadeth is an American heavy metal band from Los Angeles, California which was formed in 1983 by guitarist/vocalist Dave Mustaine, bassist Dave Ellefson and guitarist Greg Handevidt, following Mustaine's expulsion from Metallica. The band has since released 13 studio albums, three live albums, two...

 guitarist Marty Friedman

Marty Friedman (guitarist)

Marty Friedman is a guitarist, well known for his tenure as the lead/rhythm guitarist for thrash metal band Megadeth, which lasted almost a decade...

.

Unlike other guitars in the S, SA, and SV line, SZ have only 3 way switch for its H-H configurations, while each pickup features an indidvidual volume knob. There's also one main tone knob.

As of 2007, Ibanez offers the SZ in 8 various setups:

• SZ4020FM
• SZ1220
• SZ4020FM
• SZ2020EX
• SZ520FM
• SZ520QM
• SZ320MH
• SZ320EX

and the low end budget model, the GSZ120 CA

Ibanez GIO

The Ibanez GIO Series is a budget guitar series produced by Hoshino Gakki , replacing the Cimar line. The GIO guitars are a "budget" model line similar to Fender's Squier guitars and Gibson's Epiphone line. Unlike those particular budget lines however, these are produced as fully Ibanez branded,...

, aimed at beginner/younger/lower budget guitarists.
SZ4020 was available in CKF (Charcoal Black Flat) and NTF (Natural Flat).
The SZ2020ex was only available in BK (Black) and the SZ1220 was only available in TKF (Tranparent Black Flat)
The SZ720FM was available in DAS (Dark Amber Sunburst) and TG (Transparent Grey)
The SZ520QM was available in BBL (Bright Blue), GAB (Gold Amber Sunburst), TKS (Transparent Black Sunburst) and various other colours.
The SZ520QM was available in BK (Black), GD (Gold) and BS (Brown Sunburst)

The SZ series is phased out in 2008 for its successor, the SZR.

Refferances:
http://www.ibanez.co.jp/anniversary/expansion.php?cat_id=275&now=15
http://www.ibanez.co.jp/anniversary/expansion.php?cat_id=270&now=8
http://www.ibanez.co.jp/anniversary/expansion.php?cat_id=279&now=47
http://www.ibanez.co.jp/anniversary/expansion.php?cat_id=279&now=10