Musiclily 9 Hole Bass Pickguard for MusicMan MM StingRay 4 String Bass Guitar,4Ply Tortoise Shell Only fits genuine 4 string Music Man Stingray, Not fit OLP Stingray or Ernie Ball SUB or 5 strings bass. For other MM style bass, you may need a modification 9 mounting screws holes, Humbucking pickup routine with truss rod 4 ply plastic made,2.0-2.2mm(0.08-0.09inch) thickness Double protect film on the top, please remove them when you install Package included: 1 x Bass Pickguard