The HellermannTyton 131-12520 Cable Ties Releasable Cable Tie 250x9 mm, black is a releasable cable tie designed for securing cables that need periodic re-arrangement or removal. Manufactured from nylon reinforced with glass fibres, this cable tie ensures that cables are securely bound upon installation and can be easily released when necessary. The construction also ensures that the tie is resistant to most chemicals, including freon, petrol, and lubricating oils, and provides excellent environmental performance, from temperatures ranging from -40°C to +121°C. The integrated releasable locking system also allows the cable tie to be released by hand, without the need for additional tools, making the installation and removal process easier and faster.