14" x 50 lb Nylon Black UV Resistant Self-Cutting Cable Ties (199284) by Ancor®. 20 Pieces. Save time and frustration using the latest innovation from Ancor, a self-cutting cable tie. Simply lock and twist to finish the job, with no need for additional tools! Integrated stainless steel blade leaves a clean flush cut, which improves appearance and eliminates the sharp tail while maintaining a tensile strength above industry standards.