Feature: 1. The machine made of zinc alloy, which has a long service time, you do not need to change it often. 2. Easy to use: You just need to unscrew the cap and ensure the internal plate is pushed to the bottom of the cylinder, separate the machine he-ad from the cylinder, fill the oil into the machine, and then eliminate the excess air, and finally push the piston forward. 3. Small in size and easy to carry, you can take it with you to anywhere you want to use it. 4. Adopt stainless steel spring, has fine elasticity, let you feel comfortable even after long time use. 5. The oil is quick out and will not leak when using it, give you a better using experience. Specification: This portable mini grease machine is small in size but utility for you to use in your daily lifes and even your works. You can use it for your motorbike gears. Come on and try it, it will not let you down. Features: The machine made of zinc alloy, which has a long service time, you do not need to change it often. Easy to use: You just need to unscrew the cap and ensure the internal plate is pushed to the bottom of the cylinder, separate the machine he-ad from the cylinder, fill the oil into the machine, and then eliminate the excess air, and finally push the piston forward. Small in size and easy to carry, you can take it with you to anywhere you want to use it. Adopt stainless steel spring, has fine elasticity, let you feel comfortable even after long time use. The oil is quick out and will not leak when using it, give you a better using experience. Specifications: Material: zinc alloy Capacity: 80cc Output pressure: 1000PSI Pckage size: 152 * 90 * 43mm / 6.0 * 3.5 * 1.7in Package weight: 295g / 10.4ounce Packing list: 1 * Pressure Oiler Package List: 1 * Pressure Oiler