application High output single-coil-size "rails" humbucker. Great for everything from heavy blues to heavy metal. description This twin coil design pickup gives you the character of our popular JB™ model humbucker in a single-coil size. Its adjustable pole pieces more closely emulate the magnetic field of a full size humbucker and allow you to fine tune the balance of your strings. You can expect great harmonics and a sweet high-end. Compared to Hot Rails, the output is reduced and there's more treble response. Comes with four-conductor hookup cable. USA Patent No. Des. 355,207. complete setup Available for both bridge and neck/middle positions; and in an incredibly versatile set with an SJBJ-1b JB Jr. in the bridge, an SDBR-1n Duckbuckers in the middle and an SL59-1n Little '59 in the neck. guitars For all well-balanced instruments. Works equally well with maple and rosewood fingerboards.