What is the restraining strap material?
The three yellow restraining straps for the Heavy Duty model are made from 3/16-inch thick by 4-inch high polyester. The three black restraining straps for the Light Duty model are made from 1/4-inch thick by 2-inch high polyester. The tensile strength of each Heavy Duty restraining strap is 20,000 pounds, while each restraining strap of the Light Duty is 1,000 pounds.
