This vacuum gauge 4 cylinder will help improve the performance of your motorcycle, providing you with a user-friendly method of balancing your at home without the need for additional tools. The two gauges can be used individually or together. Features - Color: As shown. - Material: Metal, plastic. - Size: 31 x 14.8 x 4.8 cm/12.2 x5.8 x 1.9 inch. - This vacuum gauge 4 cylinder will help improve the performance of your motorcycle, providing you with a user-friendly method of balancing your at home without the need for additional tools. - The two gauges can be used individually or together. - The vacuum gauge can easily synchronize and balance the of a motorcycle. - Each unit includes a precision gauge mounted on a sturdy metal base for a work surface. - Suitable for 4-cylinder machines. Package list: 1 set x Motorcycle Vacuum Gauge