These Push Mount Wire Routing Clips with a Locking Tab offer fast installation into panels 0.020" to 0.150" thick. A side entry and quick lock-and-release design afford easy opening and secure closing that will not unlock until the tab is depressed. These wire routing clips are ideal for contaminated, high-heat or heavy-vibration environments. The material is UL-rated Nylon which is self-extinguishing and will not creep or deform at elevated temperatures.