chain blockhave CE certificatecapacity: 0.5t-20tlifting height: 2.5m-20mlifting speed: manualnet weight: 8kg-156kgtesting load: 0.75t-25tmin distance between hooks: 255mm-1000mmpulling force to full load: 221N-392Ndiameter of load chain: 6mm-10mmdimensions: 24mm-585mm