Features1For the first time, you need to squeeze the grease into the barrel while pressing it, making the inside a negative pressure and then you can use 2Pure copper inner tube, durable to use, chrome surface, easy to handle and flexible to control, fit the palm, comfortable to grip. 3Exquisite workmanship, good quality, suitable for all kinds of need to extend into the oil filling position, and need to carefully grasp the oil position. 4Easy to operate, brief and small design makes the injector easy to use. 5Lightweight and portable styling, easy to carry and store, convenient for using.SpecificationItem Type: Bicycle Grease GunMaterial: SteelColor: As picture shownOil Nozzle: Approx, 0.9MM/0.04inSpring Stroke: Approx 22MM/0.9inSize: Approx. 175 x 5.6mm/6.9 x 0.2inPackage List1 x Bicycle Grease Gun