... coated,keep 30years for color 3005 aluminum alloy manual,electric,remote control anti-weather,Anti-thelf 1,Structure of roller shutter ... , (2) Bearing Bracket (3) Ball Bearing, (4) Steel Cap (5) Security Plate (6) Box(up)(7) Euroblock (8) Oct tube (9 ... need.5, operation ways: hand crank, electric.6, control system: remote control, switch, hand crank. 7, Model of shutter slat: 32mm ...