[appearance] size: 6.7*3*0.8in weight: 320g (11.3oz), all metal. Including an ergonomic elongated non-slip handle, a solid 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, broken window 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 multiple 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 it handy, the car glove box is a good choice. [packaging] each piece is individually wrapped. We have added test glass in the package for you to check the feasibility of the hammer. A great gift for Father's Day, Christmas, Black Friday.