Please note that while we may temporarily lower prices, we generally do not accept price negotiations. Thank you for your understanding. Management Number: #5A602 This is a removed part from a Yamaha SG-700 manufactured around 1976-1979. From a business perspective, parts were likely standardized as much as possible, so it is believed to be a common part with other models. Based on our review of catalogs, it appears to be compatible with the following models manufactured around the same time (and may also have been used in other models manufactured around the same time): Yamaha Pot Knob SA700/1000/2000/1200S/2000S etc. SF1000/3000/5000/7000 SG500/600/700/800/800S/1000/1500/2000/1300 etc. SX900 This is a single item (one piece) for sale as shown in the photos. The item has been cleaned and polished with polishing agents before listing, but it may not be completely free of dirt. For free shipping, the shipping method may be changed at our discretion.