Features: 1. The sleeve locks the joint in place, helping to secure the connection between the straight head and this corner joint and preventing leakage, making grease filling more efficient and convenient. 2.90 degree design, can lubricate hard-to-reach grease fittings in a small space, convenient for you to connect some difficult fittings, longer service life, sturdy and durable, not easy to break. 3. To meet your various needs, the effect and the quick release mechanism ensure that the grease enters the machine without spilling or leaking, which is safe and convenient for long-term use in your daily life. 5.90 degree coupler for automotive, farm, truck or industrial use for hard-to-reach grease fittings in cars, trucks, farm equipment and more. 6.90 Degree Grease Coupler Adapter provides maximum corrosion protection and longer life. Specification: Model: 90 Grease Coupler Product model: 1/8NPT Size: 7X4X2cm/2.75X1.57X0.78inch The package includes: 1 pair of grease couplers _x000D_ _x000D_