Panduit BT3S-M30 Dome-Top Barb Ty Cable Tie, Heat Stabilized Nylon 6.6, Black Standard Cross Section, Curved Tip, 50lbs Min Tensile Strength, 3" Max Bundle Diameter, 0.052" Thickness, 0.185" Width, 12" Length (Pack of 1,000) Heat-stabilized nylon 6.6 for high-temperature applications Metal locking pawl for closure Bundling diameter range of 0.06 to 3.0 inches Minimum tensile strength of 50 lb. UL Listed, CSA certified, and CE compliant for quality assurance and complies with RoHS regulations