These can be used for virtually every hold-down application imaginable. Whether you're attaching your boat to your vehicle or your frame to your boat, NRS Straps won't let you down. You can never have too many straps, and these come in nine different lengths with a handy name tag for your convenience. Webbing Tensile Strength: 1,500 pounds. Buckle Strength: 2,000 pounds. Strap length woven into polypropylene webbing.