Adaptor plate for single, double, 4" octagon, supported cameras. Comes in a pack of 5. QND-6012R QND-6022R QND-6032R QND-8010R QND-8020R QND-8030R QND-6010R QND-6020R QND-6030R QND-7010R QND-7020R QND-7030R XND-6010 XND-6020R XND-8020R XND-8030R XND-8040R HCD-7010R /HCD-7010RA HCD-7020R /HCD-7020RA HCD-7030R /HCD-7030RA LND-6011R LND-6021R LND-6031R LND-6012R LND-6022R LND-6032R