CYMBAL BOOM ARM-B1-VRC The head is suitable to

The head is suitable to be used with all the standard 18'' acoustic drum rims in use today

4 Piece electronic drum shell pack

It is a  combination of a single mounting block on the bass drum

*Includes gasket and mounting screws

CYMBAL BOOM ARM-B1-VRC The head is suitable toA new chrome cymbal boom arm B1 VRC with a vertical metal rack clamp, the clamp fits all the standard 1. 5'' rack tubes. The combination is suitable to be used with both acoustic and electronic cymbals. * 22mm tube size. * Tube length 38cm boom length 46cm. We have a few different boom arm versions, some with metal or nylon rack clamps or stand clamps you can view them in our other listings.