About This What You Get: Our grease fittings assortment includes M6,M8,M10 zerk grease fittings with straight, 45째 and 90째 for most equipment parts that require grease, and grease fitting caps in two materials Durable Material: The grease zerk kit is made of galvanized steel, which is sturdy and durable and remains resistant to corrosion and oxidation even in harsh outdoor environments Easy To Use: The grease nipple can be directly connected to a grease gun for quick lubricant injection, and worn fittings can be easily replaced without disassembly, greatly saving maintenance time Sturdy Storage Case: Grease zerk kit comes with well-designed label, each size is separated by thick partitions and placed in different compartments.It makes storage and portability easy, preventing it from becoming cluttered or loss Widely Used: Grease zerk fittings suitable for lubrication and maintenance of automobiles, factory equipment and other fields, effectively reducing wear and prolonging the life of equipment