Pan-Steel® Nylon 11 Self-locking Cable Ties speed up installation with a unique self-locking head design that locks into any part of the tie. Plus, 316 stainless steel is wrapped in UV-resistant, halogen-free, low-smoke Nylon to promote worker safety and reliability in corrosive environments. Heavy cross section, Max bundle diameter: 4in, 14.3in, Tensile strength: 1112, 50pc.