The Seymour Duncan SH-4 JB Rails humbucker pickup gives you a powerful tone with exceptional clarity and sustain. Designed for serious musicians, the JB Rails pairs Seymour Duncan's iconic JB Model humbucker with rail technology to distribute an even magnetic field across all strings. You'll get the JB Model's signature punchy low end, crisp highs and pronounced upper mids along with enhanced string-to-string balance, increased sustain and squeal-free performance. Whether you play high-gain modern rock or bluesy classic rock, the JB Rails delivers the tone you need. Swap these pickups out today and experience the power and clarity of the Seymour Duncan SH-4 JB Rails humbucker.