Coastal Plus pendulum arms are constructed of 304 stainless steel. They're easily adjusted in length to fit most windshields & can be mounted on all coastal wiper motors, as well as many other brands of wiper motors. Innovative adjustable tip allows blades to be set at specific angles to the arm to maximize wiped area or to ensure park position parallel to window frame. This wiper arm is compatible with W10/12 wiper system.Adjustable tip blade connectionSolid blade connectionAccepts only Roca wiper bladesFit most motors with 13.75mm shaft diameterAccepts washing jet EX21000.326Constructed of 304 stainless steel & UV-stable syntheticsMaterial: 304 Stainless SteelColor/Finish: BlackCompatible With: W10/12 Wiper SystemShaft Diameter: 13.75mmApplications: It can be mounted on all coastal wiper motors, as well as many other brands of wiper motorsTip Type: AdjustableSeries: Coastal Plus