The Window Wiper Acorn Nut is a small, dome-shaped nut with a threaded interior. It secures the wiper arm to the threaded stud on the wiper motor shaft. This ensures the wiper arm stays firmly attached and allows it to pivot freely, enabling the wiper blade to sweep across the windshield for better visibility during rain, snow, or debris.Attributes: • Manufactured to precise specifications and are built for durability, and reliability• Withstands the harsh operating conditionsApplications:The Window Wiper Acorn Nut is used to prevent the wiper arm from coming loose due to vibrations or wind resistance during operation. This ensures consistent wiping pressure and prevents the wiper blade from chattering or skipping across the windshield.