Apr 24, 2021 · Description: Grade 70/System 7 5/16" x 20' Long with Grade 70 Clevis Grab hook on both ends. System 7 Grade 70 chain was designed for cargo securement, binding, towing and construction use. These chains have a Working Load Limit of 4,700 lbs with a design factor of 4:1. Minimum breaking strength is 18,800 lbs.
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