Installation method: - Determine the distance between the hole and the end piece, then determine where the fastener is to be reached. Drill the first hole in the hole in the dowel wall. - Then unscrew the rear end, the screw and the (small partially perforated circle) of the screw into the screw hole. - Then mount the bracket to the wall screw and mark the first measured measurement on the wall. - Tighten the second screw and screw the bracket into the second hole. Try to find out if the armrest is suitable for two screws. - Finally, screw on the two screw holders. The support rod is connected to the end element and the screw is screwed into the end element. Product specifications: Size: 22mm*40cm Color: silver Product weight: 286g Material: 304 stainless steel Ramp diameter: 17mm Load Capacity: 15 kg Ramp length: 39.5 cm Scope of delivery: 1 x Hook Note: The data is manual measurement, please allow 1-42cm error, due to differences between light and screen, there will be some difference of color, the specific received in kind shall prevail.