[Appearance] Size: 6.7*3*0.8inch Weight: 11.3oz (320g), all metal construction. Includes ergonomic extended non-slip handle, solid pointed metal hammer, flat hammer and sharp knife. Hidden blade design prevents you from being accidentally hurt. [Function] 3 in 1 emergency tool: car hammer, broken window and knock. In the sudden situation that the car sinks, overturns, crashes or burns, you can easily break the window with a sharp hammer head. It will stay sharp even after tapping repeatedly. The built-in cutting knife can quickly cut in case of seat belt failure. Durable and fire resistant. [Storage] easy to store in any corner, but please keep it handy, car glove box is a good choice. p> [Packaging] Each piece is individually wrapped. We have included a test glass in the package for you to check the feasibility of the hammer. A great gift for Father's Day, Christmas, Black Friday.