DiMarzio Relentless P Bass Middle Pickup, Gloss Black MetalThe DiMarzio Relentless P Bass Middle Pickup in Gloss Black Metal is a powerful passive bass pickup conceived by the brand and Billy Sheehan with a smooth, optimally spaced construction that sound mean, heavy, yet dead silent with virtually no electromagnetic interference. With a compound radius cover that matches your fingerboard arch, and rounded edges to avoid intrusion when playing, these are the types of pickups you'll never have to work your