Replicating the original bass drum hole reinforcement, these have a snap on design. The O’s allow for minimal head removal with more variety in tunable ventilation as well as external microphone access.
- 4″
- Round
- Black finish
- Protects your port from rips, snags, and tears
- Adhesive rings used to hold the Bass Drum O’s in place
- Alcohol swab included for a clean, permanent application