Magnetic Quick-Mount Dock – Each safetyhammer features a magnetic base with 3M-adhesive backing. Mount securely the base by the adhesive backing and snap the tool on or off in a split second for grab-and-go readiness anywhere in the vehicle. No screws or brackets needed.<br>Test Before You Trust – Every 3-pack ships with three tempered-glass test panels. One quick strike proves the window-breaker's power and gives every family member—teens to seniors—hands-on confidence before a real emergency.<br>Durable Seatbelt Cutter – A razor-sharp stainless steel blade is recessed deep within a protective U-shaped guard - no exposed edge no risk to fingers. Hook the U-slot over any jammed seat belt give one firm forward push and the razor blade parts the webbing in a single motion freeing you in under 3 seconds. No struggling just instant release.<br>Pocket-Size Portability - Compact-sized and under 5oz each life hammer docks on its magnetic mount in the dash console tray cup holder door pockets glove box seat-back mesh seat-side storage pouch purses or anywhere within arm's reach inside the car. Detach it instantly with one hand and drop it into your pocket purse diaper bag or stroller caddy when you leave.<br>Side-Window Use Only – Engineered to break tempered side glass; not for windshields or laminated windows.