* When you jack up the vehicle and work, be sure to use the jack stand. If you also raise the front and rear wheels, four jack stands. If you only raise the front wheels and the rear wheels, two jack stands. I can not jack up.After jacking up, it is a product to use as a stand. It can not be used for vehicles of 2 t or more. Be sure to use less than 2 t.Be sure to use it on a hard flat road surface, please use at least 1 pair (2 units). Be sure to use the tire stopper when using. Please be careful when waiting. It can not be used on sand, muddy field. It may be unstable and collapse.Please do not hold the saddle bar. It will cause pinching of fingers. Do not ride the vehicle or ride in the car while in use., Security supplies, This product is manufactured in Japanese standards. Please check the specification before you order.