Removed from a Roland machine which was refurbished, THESE HEADS ARE DRY AND BLOCKED, THEY MAY ONLY BE ANY GOOD IF HEAVILY CLEANED 

AND FLUSHED OR JUST USED FOR TESTING!!!

Please be aware these are sold as seen and there are absolutely NO REFUNDS on these! You may be able to refurbish/unblock some or all of these if you have a method /technique to do so and get some use out of them or for testing