Thank you for taking the time to locate part number f1688 here on Pro Pilot Hardware. Unfortunately, this product is not listed on our website, though we would still be happy to find a solution for you. We excel at tracking down parts that are generally hard to find, as well as finding suitable alternatives for unavailable items. Simply submit the Request for Quote (RFQ) form on this ... https://www.propilothardware.com/rfq/searchrfq?partno=f1688