... ) Bearing Bracket (3) Ball Bearing, (4) Steel Cap (5) Security Plate (6) Box(up)(7) Euroblock (8) Oct tube (9) Tubular Motor ... (13) Bottom Bearm (14) Plastic Stopper (15) Shutter Slat (16) Box(down) (17)Motor Controller2, Performance date:3, Widely used to ... of manual and electric. 12, function: insulated, anti-bad weather, safe, quiet, luxury.13, packing: one set roller shutter be packed ...