SIP 30 Ton Bottle Jack The SIP 30 Ton Bottle Jack is compact and powerful and features a built-in safety valve reliable overload protection for safety and a serrated saddle to give secure load contact 30 Ton maximum weight capacity 288mm to 489mm lift height range Serrated saddle for secure comfort Durable and powerful construction Compact and lightweight - 146kg Reliable overload protections Heavy-duty cast iron base Integrated safety valve SIP are machinery specialists with our catalogue featuring welding metalwork air compressors and tools battery chargers lifting heating power woodworking and cleaning equipment