Outdoor Xtreme Heavy Duty Self-Locking Zip Ties Cable Ties,8-Inches,100-Pack STRONG: 4.8mm Width/50lb Break Pressure. Zip Ties Built To Last! SECURE: Self-Locking Teeth That Grip Securely and Stay! VERSATILE: Cable Ties are Great Indoors or Outdoors! LONG LASTING: UV Resistant Material.