DynamO Self Adheisive 5 1/2" Bass Drum Hole Reinforcement Ring (White)

This purpose-built cutter allows you to cut your hole quickly and accurately, and with complete precision.

Replicating the original bass drum hole reinforcement, these have a snap on design and are available in different sizes and colors to suit your application.

DynamO Self Adheisive 5 1/2" Bass Drum Hole Reinforcement Ring (Black)

4" x 6" Oval version of the Os hole reinforcement system.

The Drumport is designed to regenerate the sonic and subsonic waves that emanate from the bass drum batter head, resulting in a thicker, fuller, drum sound.

The Kick Port greatly enhances bottom end, volume and punch, as well as making the bass drum easier to play !