Adjustable J-Hook (automotive style) Wiper Arm with Adjustable Pivoting Tip fits all standard MRV and heavy duty waterproof wiper motors with 5/8″ shaft diameter. Compatible with 1.5 and 2.5 shafts. The innovative adjustable tip allows blades to be set at different angles to maximize wiper blade coverage area and to ensure park position parallel to window frame. Powder coated 304 stainless steel construction.