This jack has a removable pipe handle for quick 39-1/2 to 51 height adjustment with ratcheting screw mechanism. Permits worker to stay upright while operating, acts as a steering lever. 14 base provides maximum rigidity. 7-3/4 top cap. Accommodates up to a 9 degree tilt-off level. Heavy-duty 8 solid rubber transport wheels. 100,000 lb. static capacity and 40,000 lb. lifting capacity.