... 20-500mm force: 1000N-6000N speed: 4-48mm/s used for electric sofa ,massage chair stroke up to 500mm color black ... centidegree Installation dimension depend on customer requirment We can supply the mini linear actuator, electric linear actuator,linear actuator,12v ... linear actuator,linear motor,track actuator,actuator even linear actuator for medical and furniture,high speed actuator,DC 12V linear ...