Package Contents: 8 x Blind Clamp Brackets. Enough quantity to meet the necessary blind equipment. Replacement brackets for hanging and sticking on the fixed window casement for Klemmfix blinds / double blinds. They are attached to the window casement without drilling and provide the blinds with additional support. Suitable for PVC and wooden windows with or without sealing rubber that can be opened, self-adhesive strips for the stability of the hook, which prevents it from moving on the window. Material: Our product is made of high-quality plastic, and the glue on the back is very strong! (It is recommended to clean the adhesive surface of the car window in advance with a cloth.) The replacement parts are compatible with roller shutter brackets and a 1.2 cm fabric support rail and mounting rails with a height of 3.6 cm. Installation recommendations: After installing these roller shutter bracket replacement parts, please do not use for 24 hours to ensure stronger adhesion.