The Livorsi stainless steel quick release boat fender cleat is a precise , easy-to-use, quick-release fender holder that combines advanced manufacturing, user-friendly design, and durability to make docking effortless. It is machined from solid stainless steel and hand-polished to a mirror finish. The 316 stainless construction ensures ultimate corrosion resistance, making this cleat a great option for fresh and salt water vessels. The quick-release function of this cleat allows non experienced boaters to quickly dock and undock with one simple click. The QRBSB-150 is the fender base receptacle only. This base has 1 1/2" of threads to get through the deck of most boats. This base has no door and includes both a load spreading and lock washer. This kit includes our standard nut that requires access to the inside of the boat to put a wrench on the nut when tightening. Installation of this base requires a 3/4" hole saw, a sharp new hole saw is recommended for best results.