Plumber's Choice 30461 Stainless Steel Braided Supply Line for Toilet with Brass Steel Nuts, 3/8-Inch Compression by 9-Inch (25-Pack) Engineered polymer-coated fibers tightly braided around a flexible, leak-resistant PVC inner hose Ready-to-use line does not require cutting, bending or flaring Maximum working pressure of 125 PSI Cone washers provide a universal fit Stop end provides a secure seal