UP FOR SALE IS A REBUILT AND TESTED 100-5. NEW FINGERS, WIRING AND DRUM. THIS WILL FIT 622,623,624,2240,2242,2243,2245,2321,2331,2333,2334,2343,2344,2345,2353,2354,2355,2356,2363,2367,2368,2373,2378,2379,2383,6220,6250. PLEASE SEND ME YOUR OLD E-UNITS TO BE REBUILT THANKS JOHN.