1. POWERFUL GRADE G80 5/16 inch x 14 feet Grade 80 Binder Transportation Chains are heat treated to meet all requirements set forth by the DOT and CSVA specification for truck tie down use. Grade 80 log chains are fitted with a grab hook at one end and a slip hook on the other, Designed for tying down and binding heavy duty logs 2. DESIGN FOR SECURITY Safe Working Load of 4,900 lbs.. The chain and load binders can handle the toughest tie down jobs. It has a 4 : 1 factor (Breaking Strength : Working Load Limit) 3. QUALITY COMPONENT Correct metal for the right component, all our raw materials have been tested with correct hardness and tensile strength. Followed by the professional grade heat treatment process to ensure all the hardware meets its required strength. Chain is oiled and has a black coating to resist the elements. 4. IDEAL FOR Agricultural and industrial applications, logging, vehicle towing, and flatbed securement.