Features: easy and simple to use, labor-saving and stable; flexible lifting, easy to operate Car jack 1.5T: Parameters: jack size about 36*9CM, lifting height 10-39CM Cross saving wrench 34*2.3cm, thickness 1cm Material: steel plate Car jack 2.5T: Parameters: jack size about 41.5*9CM, lifting height 10-39CM Cross labor-saving wrench 34*2.3cm, thickness 1cm Material: steel plate Instructions for use: before lifting the vehicle parked on a level hard , tighten the handbrake to stop the wheels from moving, open the danger warning signs Block the wheel diagonally opposite the replacement tire, loosen the replacement nut, but do not unscrew it Remove the jack, and use a rocker or wrench to raise the jack to a suitable height first; Place the jack under the jacking part specified by the automobile manufacturer, turn the handle clockwise to make the jack saddle contact with the jacking part and check whether the contact is safe and reliable; Then crank the handle to jack up the vehicle to a suitable height, replace the tire and tighten the nut; Attention to use: 1. Do not overload the use; 2. In order to ensure the normal use of the jack, please keep the jack threads clean and lubricated, before each use, please smear enough oil on the screw; 3. This product can only support, can not be used as a fixed support, support the vehicle is strictly prohibited to enter the car; 4. In the process of supporting the tilt immediately stop using, adjust the position and then use it again