These innovative "car dollies" require no floor jack for operation. Simply slip unit around tire, pump the lifting lever to gently squeeze the tire between its two rollers lifting the wheels from the ground. Available in 1250lb. capacity for up to 9" wide wheels and 1500lb. capacity for up to 13" wide wheels. Easily maneuvered in any position with large 4" metal casters. Ratchet mechanically locks Car Jack in the raised position, eliminating any hydraulic bleed down or leaks. Handy storage rack holds units when not in use.