The Lincoln 5505 -1/8" Thread Forming Grease Fitting is a high-quality lubrication tool designed for automotive use. Made by the reputable brand Lincoln in the United States, this manual grease fitting features a 1/2" hex size and is suitable for NPTF threads. This lot of 10 fittings is essential for maintaining and repairing vehicles with ease and efficiency, making it a valuable addition to any mechanic's toolkit.