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.KEY FEATURES AND BENEFITS:• Self-locking head design speeds installation and locks into place at any length along the tie body• Nylon 11 coating provides additional edge protection and prevents corrosion between dissimilar metals• AISI 316 stainless steel for the most corrosive environments• UV resistant, low smoke, halogen-free material• Temperature tolerance -40°F (-40°C) to 285°F (140°C)