Description:100% brand new and made of high quality material, higher corrosion resistance and better flow accuracy. Description:100% brand new and made of high quality material, higher corrosion resistance and better flow accuracy. Tests mechanical and electrical fuel pumps. Checks for worn or defective parts in the fuel pump and vacuum system. .Can be used to diagnose: spark failure, poor engine compression, gauge, fuel pump test. Diagnose incorrect timing, burned or stuck valves, manifolds with , improper fuel, storage choke and many more Suitable for use on most vehicles.Specification:Material: PlasticSize: 10×10 cm / 3.94×3.94 inchPackage Includes:4 Pieces Fuel Vacuum Synchronizer Test Gauge4 Pieces Rubber Tubes4 Pieces Extension Tubes4 Pieces Extension Tubes 8 pieces tubes with connectors