20mm X 450mm Shutter Strap Cyclingcolors Belt Guide Roller Shutter Belt Guide Roller Grey Polyester Fastening Strap Manual Roller Shutters at ₹ 435/sq ft | मैनुअल रोलिंग शटर in Siliguri How to replace a roller shutter strap - CW Products Just because the roller shutter strap is an internal component, that doesn’t mean that replacing it is difficult. We’ve created this useful step-by-step guide to show you how you can replace your customer’s roller shutter strap 2 x fastening straps for roller shutter curtain; material = woven polyester; colour = grey; width = 20 mm; length = 450 mm; adjustable with a pre-cut slot; the strap allows you to attach the apron to the tube in combination with clips and strips