Pan-Steel® Polyester Fully Coated 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 Polyester to promote worker safety and reliability in corrosive, high-vibration, temperature-extreme environments. Standard cross section, Max bundle diameter: 2.0in, 7.9in, Tensile strength: 445, Black, 100pc.KEY FEATURES AND BENEFITS:• Polyester coating provides visual indication for easy identification in color-coding applications (heavy cross section only)• Self-locking head design speeds installation and locks into place at any length along the tie body• Polyester 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 302°F (150°C)