appearance: size: 6.7*3*0.8 inch weight: 320 g (11.3 oz), all metal. Including an ergonomic extended anti-slip handle, a massive pointed metal hammer, a flat hammer and a sharp knife. The hidden blade design prevents you from being injured accidentally. function: 3 in 1 emergency escape tool: car hammer, window breaker and knock. In the sudden situation of the car sinking, overturning, crashing or burning, you can easily smash the window with a sharp hammer head. It stays sharp even after several taps. Built-in cutting knife can cut quickly in case of seat belt failure. Durable and fire resistant. Storage: Easy to store on every corner, but please keep handy, the car glove box is a good choice. packaging: each piece is individually packed. We have added test glass in the package for you to check the feasibility of the hammer. A great gift for Fathers Day, Christmas, Black Friday. After-sales: If there is any problem, please feel free to contact us. We offer replacement or refund according to your needs.