Quick and easy installation ‰ۢ Includes ibeam placement jig. (pin bridge guitars only) ‰ۢ Peel-and-stick ‰ۢ Natural string-to-string balance and dynamics ‰ۢ Fits most X-Braced guitars ‰ۢ All discrete class A preamp for warm analog sound ‰ۢ Available in steel- and nylon-string versionsIbeam length: 2.875‰۝ ‰ۢ Ibeam width: .425‰۝ ‰ۢ Ibeam weight: less than 1/3 oz. ‰ۢ Battery type: Single 9V ‰ۢ Battery life: 1000 hrs. Try instore now