The G L Huyett Lincoln Grease Fitting Zerk 1/8-27 NPTF Female is made from high-quality steel with a zinc coating for enhanced corrosion resistance. This grease fitting is designed for easy lubrication of machinery and equipment, featuring a 1/8-27 NPTF female thread for secure connections. Its durable construction ensures longevity, making it suitable for automotive, industrial, and agricultural applications. The Zerk design allows for quick and efficient grease application, ensuring optimal performance and maintenance of your equipment.