Brass Push Button Flange Grease Oil Cup 10mm Ball Oiler for Lubrication System 12Pcs Size: 10mm Material: Brass, Diameter: 10mm / 0.39 inch, Max. Diameter: 11mm / 0.43 inch, Total Height: 12mm / 0.47 inch. This oil cup is designed for continuous oil dripping to provide lubrication. The durable brass cap ensures a secure connection and resists shifting. Suitable for application on mechanical joints to maintain smooth operation. Constructed from brass, it is rust-resistant and durable, serving as an excellent replacement for a worn oil cup 🚗 Please confirm the model details with us before placing your order.