Features 1. Excellent quality: Made of high quality materials, safe and durable. 2. Adjustable: 360 degree adjustable, flexible and free. 3. Easy installation: Small in size, easy to install and use. 4. The normal size is 8mm. Specifications Type: Car Windshield Wiper Spray Nozzle Material: ABS + Metal Color: Black Size: Show as the picture Thread diameter: 8mm Note: This product does not include instructions. Professional installation is highly recommended! The package includes 2 x water jet nozzles