Used Pettibon -Z Adjusting Headpiece in good condition and perfect working order. Two available, but may be purchased individually. Please see photos. Price is $250 each. The same unit brand new runs $395. Contact Dr Isaac Hernandez at 352-514-0767 with any further inquiry or to purchase. Item price does not include shipping. Payment accepted through PayPal only. If this ad is up, the items are still available.