Easy to install, most forks have replacement seals. Suitable for most general forks or reverse forks. Carbon steel structure, split design, heavy body, bring more power. Adjustable seals range from 39mm to 50mm to fit most forks. product description 1. Disassemble the fork. 2. Slide the old seal. 3. Check if the column is stained 4. Apply oil to the inner surface of the new seal with fresh fork oil. 5. Slide the seal onto the top of the column and slide it down onto the slider. 6. Loosen the three Phillips head screws and reduce or increase the diameter to adjust the plastic fitting of the tool to match the size of the seal. 7. Press the adapter onto the seal and slide the drive tool up and down a few times until the seal is pushed into the slider. Product specifications: Weight: 780g Colour:Silver Material:metal Package Contents: 1*Fork Seal Driver Tool Kit Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.