WIPER ARM

Provided is a windshield wiper arm. This windshield wiper arm includes: an arm head (); a shank; an arm piece connected to the windshield wiper blade; a washer nozzle which sprays a washer liquid onto the wiping surface; and a hose. The hose is divided into a first hose disposed along the arm head and a second hose disposed within the vehicle body. The first hose and the second hose are connected in a manner that washer liquid can flow from one hose to the other via a joint member (). The arm head () has an opening part (A) which opens on a fastening part side, and the joint member () is mounted to the arm head () in a manner that the part of the joint member () that connects with the second hose penetrates the opening part (A).