This manual scissor jack Trailer Stabilizer Leveling Manual Scissor Jack with handle with tooth gears, can be extend from 105mm(close position) to 380mm, more than enough to lift most vehicle. It’s easy to operate using the chromed crank with speed handle. Can be used as a rugged replacement jack or an extra utility jack that can be stored in the trunk of your car. The extra-wide base offers easy positioning and the one-piece handle delivers on-the-spot quick response and speed when you need it.100% manufacturer tested for reliability and safety.