Material: stainless steel + rubber Size: The upper part is about 2.7cm long and 1.6cm wide, the lower part has a thread diameter of about 0.8cm and a length of about 2.2cm. The error is about 1cm. Material: The wiper nozzle is made of high-quality plastic material, which is resistant to high temperatures and corrosion, and is more durable. Used in conjunction with the wiper blade, it can better extend the service life of the wiper blade. Function: To remove rain, snow, dust, and stains on the windshield that obstruct the vision, keep the windshield clear, and make the road vision unobstructed. Uniform spray: The wiper nozzle sprays water mist evenly on the windshield, which is not easy to clog, can clean the windshield well, and the spray is smoother and cleaner. Easy to install: Will not damage your car, easy and fast installation, fast and tight fit, replace old or damaged nozzles in place, not easy to fall off.