Extra heavy duty cable ties are the workhorse of the cable tie realm. When you need a strong hold for your cable and wire bundles, these cable ties are made from a long-lasting, high quality material that will ensure that needed security. The extra heavy duty cable ties have an operational temperature of -40 to 185 deg F. The 36 in extra heavy duty cable ties are available in natural and black and in a single color package of 50 cable ties. NELCO Cable Tie, Extra Heavy Duty, 36 in Length, 0.35 in Width, 3/16 to 11 in Bundle Dia, 175 lb Tensile, -40 to 185 deg F