120 and 120H roller chain is a 1.5" pitch roller chain. Some of the most common industries include Agriculture, Conveyors, Forest Products and poultry processing. 120H, or 120 heavy roller chain is manufactured with a thick side plate to increase the handling ability of the chain. RollerChainSupply.com supplies brands such and Diamond Sapphire, John King USA, Senqcia Maxco (Formerly Hitachi) and Allied Locke. Diamond Sapphire is dedicated to bringing you a cost effective solution for your roller chain needs. Not seeing what you are looking for? Give us a call and let our dedicated procurement specialists help you eliminate downtime.