I installed a set in a customers
boat and sea trialed after install and was most impressed. He has had them on 2-3 years and still
work good. He has a
water taxi so they get used lots. But they can be PITA to install if you don't have good access to transom and a flat transom. They have no tolerance to flex even if you over tighten a fastener it will jam. Hope this helps some for ya