The Sealey SJ50 Bottle Jack 50-tonne is fitted with an overload valve The Sealey SJ50 is a 50-tonne Bottle Jack, fitted with a carrying handle and an overload valve. Base and reservoir machine welded for increased strength and reduced chance of leakage. Features: Fitted with overload valve Fitted with carrying handle Base and reservoir machine welded for increased strength and reduced chance of leakage Comes With: 2 Piece handle Specification: Model No: SJ50 Capacity: 50 tonne Hydraulic Lift: 180mm Minimum Height: 300mm Maximum Height: 480mm