Shaw 5” Portal Bass Drum Mic-Hole Reinforcers are a cost-effective and easy to fit microphone hole surround for use with any Bass Drum head.
 
Portals are produced in the UK from Injection moulded plastic and use premium closed cell foam damping and Perma-bond adhesive for reliable, stable use.
 
Easily fitted using an included cutting template with full instructions, this is a quick and reliable way of adding a mic-hole to your kick drum.