Product material:steel.This scissor jack is capable of lifting up to 1 tonne and the heavy duty lifting arm has a lifting range of 8-31cm. [Suitable for]1 tonne scissor jack, suitable for cars, caravans, and vans.Ideal for the boot / trunk of your vehicle in the event of an emergency or breakdown. The compact design allows for easy storage in your garage or shed. [Lifting range]:From 80mm up to 310mm, simple, design for ease of use and maintenance, perfect for travel use and emergency wheel / tyre changes. [Robust and stable]Save effort,revented from slipping, quick to use and safe to stow. It can be used when you need to repair the tire. Comparing with hydraulic jack, the scissor jack is conveniently and easily to operate. [Easy to carry ]The product can be carried comfortably and simply, folded up, in the vehicle. Especially when traveling over long distances, this jack should not be missing in your car. In the event of a flat tire, you can quickly and easily make a change with it.