Strongway Hydraulic High Lift Double Ram Bottle Jack - 6-Ton Capacity, 8 1/2in.-19 1/8in. Lift Range Dual-stage hydraulic cylinder lifts large loads on a smaller footprint Constructed of high-grade steel and built to exacting standards for quality and durability Lead-free paint finish is applied after a thorough chemical wash to ensure a long-lasting finish and to help prevent rust Paint is oil-, grease- and dirt-resistant for easy cleanup High quality large diameter hydraulic steel cylinder unit results in lower oil pressure needed to raise the load, helping to reduce wear and extend service life