HellermannTyton Cable Tie, Non-Releasable, 210 mm x 8mm, Black Polyamide 66

Lockable cable ties for use in vibrating systems
Comprises a smooth band with no teeth and a glass fibre reinforced pin in the locking head
During the binding process, a cable working tool is used to press this pin into the cable tie material in the head
This locks the cable tie and holds it tightly around the bundle, even when subject to vibrations