"This Banner Fast Lift technology offers quick lift performance to save time plus includes features for safety and convenience. Safety Valve Yes, Lift Capacity tons 3 1/2, Max. Lift Height in. 22, Min. Lift Height in. 5 1/2. Bypass device prevents over pumping Built-in internal safety valve ensures extra safety Swivel saddle and rear caster for easy positioning Rolled side frames add strength and rigidity to reduce twisting Heavy-duty steel construction Lift range 5.5in to 22in. Meets or exceeds ANSI/PALD-2009 standards"