Product Features Lift range from 260 - 510 mm Can be operated manually or pneumatically for versatile use Heavy-duty chrome-plated cylinder Double spring return lowers piston-ram quickly with no load Fitted with safety valve to prevent overloading 2-piece handle connects quickly and comes apart easily for storage Technical Data Working Capacity: 20 tonne Minimum Height: 260 mm Maximum Height: 510 mm Air Pressure: 8 - 10 bar Compressed Air Connection: 1/4"