Check the listing for details. Goedrum Dual Zone Trigger Set/ DIY Electronic Crash Cymbal /180 degree trigger. Condition: New. Listed at 40.61 USD. Goedrum DIY No.366Note :★ We will combine shipping if you purchase multiple items. At the purchase of all your different items, please click “request an invoice” from us, so we can adjust the invoice and apply a shipping discount for you. If you need any assistance, please contact us. Thank you! l This listing includes the following items, it doesn't come with a rubber ring, you will need to make the rubber ring by yourself, if you need help, please contact us and no cymbals included. 1x 14" or 16" or 18" or 20" 180 degree membrane, please choose the one you need. 1x Dual zone cymbal trigger-black boxl These components are compatible with Roland drum modules, allow you to have bow, edge and choke functions on the cymbals.l For membrane installation on the top of Low-Volume cymbals, will need to drill a hole for edge membrane installation. Return policy :Please contact us first if there is a mistake on your purchase. If a return is necessary, we can refund for the price paid minus shipping costs. Returned items must be in the same condition as you received them. Buyer pays for return shipping.