Specification: --Material: Aluminum alloy Features: -- Escape from an emergency broken window,the safety hammer design provides you and your family with a powerful tool for survival in emergency situations. -- Anti-slip design on the product surface,the combination of metal and foam design not only guarantees the strength of the pedal, but also protects the paint from scratches. -- Easy to install and easy to carry,load and fasten the roof luggage, canoes, kayaks, snowboards and snowboards, and bicycles. At the same time, you can also get on the roof of your car to clean the roof and take photos. -- Good quality: The die-cast aluminum structure ensures durability and life, easy to use and not easy to slip. --Multifunctional and compact folding car ladder: Due to its foldable and portable design, the door steps can be stored in any position in your car. In emergency situations, it can also be used as a safety hammer and wheel anti-skid device. Note: --Please allow 1-2cm difference due to manual measurement.