Panduit Contour-Ty® Cable Ties are designed to provide consistent strength in high-vibration environments. Plus, with a low-profile head and parallel entry design, the tip enters easy and stays snug and snag-free. And with Heat Stabilized Nylon 6.6 material it's ideal for temperatures up to 239 degrees. Miniature cross section, 4.1in, Tensile Strength: 80, Black, 1000pc.