The HellermannTyton 131-21019 Cable Tie is a releasable tie made with UL rated nylon 6.6 in black. It is 100 mm long with a width of 6.7 mm, and a bundle diameter of 5 mm. The tie features a self-locking head, making it quickly adjustable and securely fastened. Its installation is quick and easy, and the tie can be adjusted up and down when needed. The release tab, located in front of the head, allows the tie to be easily opened with a simple squeeze of the finger. The natural color of the tie blends in well with its surroundings, ensuring a neat, unnoticeable look. The tie is waterproof, rated to work within a temperature range of -40F to 185F, and certified to UL94V-2 standards.