This 5/16 inch ProCraft stainless steel chain is made to NACM dimensions from Stainless type SUS316. It is factory proof loaded to 2 times the working load limit.
Link dimensions: 1.26 inch inside length x 1.18 outside width
Working Load Limit: 1,800 lbs.
Proof Load: 3,600 lbs.
Finish: Polished
This chain is not suitable for overhead lifting or any critical load bearing applications.