AIR ACTUATORPRODUCT INFOPART# A-15 CONVERTS HYDRAULIC VALVE FROM MANUAL OPERATION TO AIR ACTUATED OPERATION DOUBLE ACTING CONTROL CYLINDER MATERIAL: ALUMINUM WEIGHT: 2.0 lbs. RETURN & REFUND POLICYIf you need to return any items please contact us at service@gilinkjove.com SHIPPING INFOWe ship worldwide. Please contact us at service@gilinkjove.com for shipping quote and options available.