Yibuy Black 4" 5" 6" Bass Drum Adjustable Port Hole Rings For Bass Drum Percussion

Surround the port holes with durable silicone and stainless steel to strengthen them to avoid tearing the head. You only need to choose a protective pad of the appropriate size, fit it on the drum surface, and open the hole according to the size of the hole. Durable silicone and stainless steel surround the port holes to strengthen them and avoid tearing the head,Implementing a simple microphone setup. Bass Drum replicates the original Bass Drum snap-in design reinforcement system, adding durability and charm to transplanted bass drum heads. Easy to install, just snap the O into the port hole to make your kick drum look complete. The port grommet prevents the hole from spreading and also helps maintain the thick, rich thump from your bass drum.