SC-GPHP-4B

Port Hole Protector 4-inch black finish

– Gibraltar Port Hole Protector Rings are designed to protect the ported hole cut into your bass drumhead. Available in 4 to 6-inch sizes, these two piece rings snap onto both sides of the bass drum head providing extra protection.
– Easy to install
– 1/pack

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Description

How To Cut A Hole In Your Bass Drum Head