When the job requires a heavy-duty touch, then you will greatly benefit from using the reliable and durable 5/16" Grade 100 Alloy Chain. Built with strength in mind, this heavy-duty chain can easily handle a working load limit of 5,700 lbs. Built with a grey protective coating for enhanced durability and approved for overhead lifting, this tough chain can be used for a variety of applications, from securing vehicles for towing to hoisting heavy objects. This is the right type of chain that can easily take on the tougher jobs with greater ease.