20 Premium Commercial Grade Stainless Steel Cable Ties. 10 ties ?15.7" long (4.6mm x 400mm), 115 pound Strength Rating ? Stainless Steel. These premium, commercial grade ties have been lab tested for function and quality and can handle harsh weather conditions. Made from rust-resistant 304 Grade Stainless Steel, these ties are strong and difficult to break. One Year Guarantee against workmanship and defects.