... jack,auto maintenance,air jack 1.Model: ZD21201 2.Capacity: 20Ton 3. Min / Max Height: 260mm / 510mm 4.Adjusting Height:80mm hydraulic air bottle jack ... ,auto maintenance,air jack1.For industrial use, heavy ... spreading, pressing or straightening 2.Fast efficient air pump reduces lifting time Model No.: ZD21201Product ... : 25-30 days air jack