Gibraltar SC-GPHP-4W Port Hole Protector 4-Inch White

Gibraltar protector rings come in white finish and are designed to protect the ported hole cut into your bass drum head. Featuring 4 inches in diameter, these two piece rings snap onto both sides of the bass drum head providing extra protection. Optional head cutter is also available. Features - Enhances sound and allows for microphone placement in your bass drumTwo piece protector rings sandwich the bass drum head for solid hold and protection.