T18/30/40/50 Standard Cable Ties HellermannTyton T18/30/40/50 Standard Cable Ties are engineered for maximum performance and constructed from 100% high-quality plastic for efficient recycling. The T series cable ties feature internal serration for a strong grip, providing a positive hold on wire and cable bundles. The cable ties' head design guarantees high 80N to 225N tensile strength with a low insertion force. The bent tail design allows for quick and simple insertion. The HellermannTyton T18/30/40/50 Standard Cable Ties offer consistent and safe installation manually or with optional tensioning tools.