Auto: Suitable for professionals such as auto maintenance engineers They can use this accessory to maintain, adjust and improve their car Capacity increase: 2.2mm carburetor oil cup fittings have larger capacity, which can store more Fuels, prolonging service time and improve maneuverability Large oil cup design: 2.2mm carburetor large oil cup fittings are specially designed for carburetor, with strong adaptability, which can be perfectly with carburetor of corresponding specifications and realize smooth oil Automobile repair shop: Suitable for all kind of automobile repair shops Give users more choices and optimization schemes Simple installation: Just connect it to the right position, without additional tools or complicated operations