Blue edge trim standard size U extrusion ' U Height: 17/32", Grip range: 3/64" - 9/64" (50 feet) That is trim seal that install on the metal and plastic edges to protect it. all details about the install place, dimensions, and flexibility is clarified in the pictures . You can select the suitable edge trim for your vehicle by the dimensions. you can compare this trim seal dimensions and your old trim seal dimensions. The dimensions in inch: U height: 21/32" . Grip range (Edge thickness): 3/64" - 5/32". length: 50' The dimensions in millimeters: Width: 13.6 M.M. Grip range: 1.0 - 5 M.M. length: 15.25 Meter Materials: PVC / METAL. Order code: D017-50F. Color: Blue. The install place: - On the metal and plastic edges to protect it. - On the metal edge for the car body between the car door and car body. - On the external edge for the car door and more. This edge trim seal also designed to be: - Window Frame. - Car door seal trim. - Trim Vinyl Window. - Window weather stripe for Mini bus. - trim seal for caravan. - Trailer seal door. - Weatherstripping for campers. - pvc seal for motor lid. - seal door for heavy equipment. - Boat door seals. - Sealing product for metal boxes. - edging trim for metal sheet. - PVC stripe for the electric boards. - weatherstripping for home doors. - and more. Benefits: - Prevent leaks, gaps and vibration. - Prevent leakage of air conditioner to out. - Prevent entry of dust, air and rain water. - Cover the sharp metal edges in the cars and the home. - Protect the external car door edge from the clash on the walls or other cars.