Compatibility: The Fuel Filter Wrench inner Diameter 8 inch. Fits for Fuel Pro 482, 483, 485, 487, 488 and Shop Pro FXP. Material: Made of exceptional performance and longer life solid 1/4" steel structure, with strong durability, corrosion resistance and anti-rust performance. High-quality materials allow it to be used for a long time. Function: Specially designed wrenches for removing and replacing the main filter collar as well as the vent cap. Advantage: .