Holland Plastics Original Brand Pair Of Self Adhesive Hooks Square Shaped Ideal For Use With Holland Plastics Strip Blinds White Suitable for holland plastics blinds and many other uses. Once affixed, the blind simply sits on the hooks Adhesive backed hooks makes it easy to fit the blind Ideal for upvc door frames (we sell screw in hooks also for wood frames) The hooks backing plate measures 5cm width by 4.7 cm height.