The #15 Design is considered heavy feedback protection. The vast majority of steel-string guitar soundholes are 4 inch in diameter (101mm). Most nylon-string (classical guitars) have 3 1/2″ (89mm) soundholes. To determine your soundhole size just measure the distance across the center of your soundhole.

Product Features

  • Lazer cut designed Maple hardwood
  • Heavy feedback protection
  • 4 inches in diameter/ 101 mm
  • Rubber foam gasket for easy install and removal