This is a brand new set of FOUR (4) premium zinc plated steel quick links. They are 5/16" x 2 7/8" long and have a bolt type screw lock connector as pictured. Working load is a hefty 1670lbs. It's a high-quality marine grade product. Great accessory for coupling chains, dock lines, ropes, anchors, and all types of accessories. It's a great deal and your satisfaction is 100% guaranteed. We are so sure you will be pleased with your purchase or we will pay for return shipping (U.S. only) so you have nothing to lose. Shipping is FREE everywhere in the United States. For international shipping not listed contact us for a shipping quote before placing your order. Thanks again for looking and as always your business is appreciated! Please note: Check out our "Boating Accessories" category to find more super low prices right now on dock lines, hardware, and other boating gear. We got a great deal on a variety of items for boaters from a top name manufacturer and are passing the savings along. Save big $$$ compared to your local marina. Quantities are limited and everything is sold out when gone.