This #100H Heavy Cottered Roller chain is a premium quality, high strength, and extremely durable roller chain. The "H" designates that his chain has thicker side plates and is part of the heavy series of roller chains. Having thicker sides plate increases strength, shock load, fatigue, and the overall working life of the chain. This roller chain is cottered, cottered roller chain uses cotter pins instead of rivets; the benefit of this is that it makes it easier to install sections onto the chain without having to break the chain with a chain breaker or grinding off the rivet pins. Premier Series #100H heavy cottered roller chain has a high tensile strength of 27,500lbs. One of the most important features that make this chain last longer than others is that it features fully heat-treated solid bushings, which creates a high strength and long lasting precision bushing. It also features heat-treated, wide couture side plates that have been shot peened, this increases working load and the overall performance of the roller chain. Premier Series #100H heavy cottered roller chain also features heat-treated, hardened pins. This increases the shock load rating, tensile strength, and overall durability of the roller chain. Another important feature of this roller chain is that it has heat-treated solid rollers, which increases the overall performance of the chain and the working life. Premier Series roller chains are engineered to be a high strength and durable roller chain with great performance and a long working life. This roller chain is commonly supplied, as 10ft boxes including one connecting link per box, but alternate lengths are available upon request. We offer additional connecting links and offset links for this chain as well, which having a few of these on-hand can keep you out of a down situation and keep you up and running. Another thing that extra connecting links and offset links are good for is making those miscellaneous repairs that need to be done to keep you in operation. We also offer a full line of high quality sprockets for this chain ranging in teeth count and bore sizes. We also offer a wide range of attachments for this roller chain if needed. For additional information on the Premier Series #100H Heavy Cottered Roller chain or any of its accessories that we offer, please contact us and we will be happy to assist you.