Roland Natural Keys used in various models including
RD-600, FP-9, FP-1, HP-145, HP-147, HP-147D, HP-236, HP-237, HP-237D, HP-237E, HP-245, HP-2800, HP-2800G, HP-2880, HP-330, HP-330E, HP-335, HP-3800, HP-3800G, HP-530, HP-530E, HP-535, HP-550G, HP-555G, HP-730, KR-1070, KR-370, KR-375, KR4300, KR-570, KR-570W, KR-575, KR-575P, KR-770, MP-500-BW, PT-2700, RD-500, FP-8, HP-5700, HP-7700.
Condition is Used. The cost of the item is per key, not for all 7 keys