interesting invention if you refuse to by jack stands, and will trust your life to the axle of a floor jack when you don't trust the hydraulics

 

transforms a floor jack into a jack stand, prevents it from letting the failure of a floor jack from allowing the vehicle to crush you under it

https://agm-products.com/products/jack-rod-2-ton

https://www.summitracing.com/parts/agm-agm-fja-1006