Bass Drum O's 5" Brass Bass Drum Port Rings bass 32-130 With a beautiful hand finish

With a beautiful hand finish and see through berry crush

Neatly-finished shim discs ensure the perfect fit

Graph tech nubone nut & saddle

All Rotosound music strings are manufactured in England

Grand Auditorium shape with Venetian cutaway

Bass Drum O's 5" Brass Bass Drum Port Rings bass 32-130 With a beautiful hand finishBass Drum O's 5" Brass Bass Drum Port Rings. 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. Features 5" Round Brass 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