Roller shutter component Side Plates Aluminum Specifications: SL41: 1) Dimensions: 160mm x 160mm, 180mm x 180mm, 200mm x 200mm, 220mm, x 220mm 2) Unit: pair 3) Remark: for windowSL51: 1) Description: side plate 2) Specification: 240mm x 240mm, 260mm x 260mm, 280mm x 280mm, 300mm, x 300mm, 320mm x 320mm, 350mm x 350mm, 400mm x 400mm, 500mm, x 500mm3) Unit: pair4) Remark: imperforated