Features: UNIQUE DESIGNDouble gear is more labor saving, light and flexible, mechanical double gear structure is not easy to wear and long service life.Fine steel forging.Groove anti slip more labor saving, steel more durable press constantly, anti slip more labor saving. MAIN MATERIALThis grease coupler built with high hardness cold rolled steel for all day performance in the shop or garage,heavier and stronger than any other grease couplers on the market. NO OIL LEAKAGEThickened six valve lock piece, tight oil nozzle, no oil leakage. Press and hold the handle 6 flap lock sheet, release the lock easily fill oil.Small volume of oil outlet. A deep grease in the corner doesnt bother you. EASY TO INSTALL Well made ,very solid,no leakage,so the fitting stays pretty clean after greasing. The grease coupler have made a hard and dirty job so much easier.Small size, small volume of oil outlet, narrow space is convenient. WIDE APPLICATIONOil filling is so easy, a simple press, lock the nozzle, m6, m8, m10, m12, m14 nozzle are suitable.It is also a great lubrication tool to have at the farm for your tractor, plow,stump puller,disc harrow,seeder,etc. Specifications: Material: Cold rolled steel Color: Silver Size of grease coupler(L x W ): About 9.1 x 1.4cm/3.58 x 0.55inch Length ofspring hose: About 30cm/11.81inch Package Included: 1pc x grease coupler 1pc x spring hose Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.