OMEGA 8 TON CRANE JACK- 44980 HYDRAULIC SYSTEM IS PROTECTED FROM INTERNAL DAMAGE BY A PATENTED BY-PASS MECHANISM. THESE CRANE JACKS ARE MACHINED AND THE POLISHED CYLINDERS WITH DIE THREADS PROVIDE NON-ABRASIVE LEAK FREE AND DURABLE PERFORMANCE. THIS ITEM IS FABRICATED FROM HARD-CAST STEEL WITH HEAT-TREATED CRITICAL STRESS AREAS AND THE WIDE RUGGED BASE PROVIDES STABILITY AND STRENGTH. ONE YEAR LIMITED MANUFACTURER'S WARRANTY. WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65warnings.ca.gov -