This car vacuum testing gauge is made of , which can withstand use. Features the ABS, rubber and copper material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features Note: random color case -Color: Assorted Color -Material: ABS, rubber, copper -Size: 10.00X10.00X3.70cm/3.93X3.93X1.45in - Accurate measurement of precision machining and convenient connection and good sealing. - Clear dial with dual types of scales make it easy to read, easy to install and dissemble. - The test kit is designed to quickly and accurately check the compression of gasoline engines - Special design and it is in fine craftsmanship. It is the best replacement for your old, broken one - It is manufactured with technology to ensure the high- of the product and can work for a long time Package list: 4 x plastic connectors 3 connectors 1 x meter 1 x soft 1 x manual 1 x container case