How to use: 1. Open the cover of the bike chain cleaner 2. Place the chain in the middle of the cleaner 3. Cover the lid and install the handle. 4. Pour your preferred cleaning fluid (not supplied) into the refill hole on the top of the cleaner. 5. Hold the chain cleaner handle and slowly rotate the bike pedal to clean the chain Specification: Chain Scrubber : 135 x 70 x 45mm / 5.3 x 2.7 x 1.8inch ; Chain Brush : 225 x 63mm / 8.7 x 2.5inch Chain Gear Cleaner: 222 x 90mm / 8.6 x 3.5inch Chain Brush : 7.62 inch Package content: 1 * chain scrubber 1 * chain gear cleaner 2 * chain brush Notice: Due to the difference between different monitors, the picture may not reflect the actual color of the item.