Fine workmanship and durable material, the parts are durable and long lasting These are durable components, perfect for replacing previous worn or damaged parts. Use it to repair the carburetor, so you don't need to replace the whole set Improves engine combustion efficiency and increases power output. Improves starting performance, easy to start even in low temperature environment. Note: The data are all manually measured, please allow 1-3cm error. Due to differences in light and display, there may be color differences, please refer to the actual item received.