Wiper arm

A wiper arm, comprising:

• a fastening part having a fastening hole into which a pivot shaft arranged in a vehicle body is inserted;
• an arm head having the fastening part;
• a shank connected to the arm head;
• an arm piece in which a base end part is fixed to the shank and a front end part is connected to a wiper blade wiping a wiping surface;
• a washer nozzle which is mounted on the arm piece and sprays a washer liquid onto the wiping surface;
• and
• a hose which is connected to the washer nozzle and supplies the washer liquid to the washer nozzle;
• wherein 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 the washer liquid flows to each other through a joint member in which a flow path is formed;
• the arm head has an opening part which opens on a fastening part side;
• and
• the joint member is mounted on the arm head in a manner that a connection part of the joint member with the second hose penetrates the opening part.