UltraLightweight Highly Portable Crafted with an elastic rubber band and a highstrength tungsten striker bead, this Bracelet window breaker tool is lightweight, discreet, and fully adjustable, making it easy to carry and access in emergencies Powerful Emergency Glass Breaker The tungsten striker bead is engineered for effortlessly shattering tempered glass, allowing for a swift vehicle escape through side or rear windows in urgent situations Enhanced Security This bracelet window breaker providing a critical advantage in highstress scenarios Quick Intuitive Deployment Designed for rapid action, simply remove the strap, position it around your thumb and forefinger, pull back, and release to break glass instantlyno complicated setup required Precision Unlocking Technique Minimal pressure is needed to operate the key