High-quality material: This grease gun is made of stainless steel, which does not rust easily, break and bend and has a long service life. The surface of the handle of the grease gun for lubrication nipples is equipped with a layer of non-slip rubber material, which can increase friction and prevent slipping during use, making the operation more labour-saving! Practical design: we have improved the design and pressure operation of this grease gun mouthpiece to make it even easier to use. Our grease nipple features an extended version and a more reasonable design. The 6-claw design of the mouthpiece grease gun makes it easier to snap the grease nozzle into place and prevents leakage during use. Easy to use: Simply press the handle of the coupler for grease gun to unlock it, align the holes and release the handle to lock it, so it can be easily operated with one hand. The included 30 cm grease gun hose allows easy access to hard-to-reach connections and makes it more flexible to use and manoeuvrable. Product specifications: After ordering, you will receive a grease gun coupling 1 and a 30 cm long spring hose 1. The length of the lubrication gun coupling is 9 cm and the outer diameter of the grease hole is 1.4 cm. The size is ergonomically designed and sits comfortably in the hand. Ensure a better operating experience Wide application: G coupler for grease gun are suitable for all types of electric, manual and pneumatic grease guns as well as for bulldozers, excavators, Z tractors and harvesters. Ideal for all machines that need lubrication on farms, forests, construction sites, mines, maintenance facilities or workshops.