Features:* High quality and durable, makes synchronizing your carburetor setup quick and easy* Complete kit with vacuum gauge, hose, extension.* Each unit includes a precision gauge mounted on a solid metal base for the work surface.* Easily achieve carburetor synchronization and balance motorcycle* Suitable for 2, 3 or 4 cylinder engines. Specification: * Material: Metal and plastic * Type: vacuum carburetor synchronizer * Size (approx.): 30.5 x 9.8 x 2.3 cm * Gauge diameter: 7 cm Package includes: * 1 x Vacuum Sync Gauge * 4 x Vacuum Hoses * 4 x Connectors * 4 x Carb Extension Rods Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.