GIBRALTAR 4 IN. BLACK PORT HOLE RINGS

Introducing Port Hole Protector Rings. Gibraltar protector rings come in white, black, and chrome finishes and are designed to protect the ported hole cut into your bass drum head. Available in 4 and 6 inch sizes, these two piece rings snap onto both sides of the bass drum head providing extra protection. • Enhances sound and allows for microphone placement in your bass drum • Two piece protector rings sandwich the bass drum head for solid hold and protection