Sturdy mounting brackets: also called strapping, the apron fastener, or suspension spring allows you to connect and establish the connection between the roller shutter axis and the roller shutter decking of the latter. This clip-on part ensures the correct functioning of the shutter system as well as its protection, made of high-quality materials. Easy to install: No more worrying about drilling and screwing your axle to replace your fasteners, the special shape of the soft fasteners is suitable for almost automatically clipping them to the tubular shaft, with or without a motor. Multi compatibility: This mini lock for roller shutters and blinds is suitable for 8 mm aluminium and PVC blades and can be clipped on many shutter systems, by strap, crank or motor, depending on the winding-axle openings. Dimensions: The length of the soft fixing lugs is 150mm, and the width is 100mm. Please note: these clips are only suitable for a blade thickness of up to 8 mm. Ensures convenient opening and closing of your roller blinds. PACKAGE CONTENTS Each pack contains 4 pieces of metal and plastic soft snap fasteners. Made in France., Manufacturer: ZF