Gibraltar Port Hole Protector 4 inch Chrome

Introducing Port Hole Protector Rings and Bass Drum Head Cutter. 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. Optional head cutter is also available.