Features: This gasolines engine compression test kit is suitable for various types of gasolines engines, including domestic, imported, and small engines, to meet the testing needs of different vehicles. The set is equipped with 12inch 14mm standard and long telescopic hoses, as well as 10mm, 12mm, and 18mm threaded adapters, ensuring compatibility with various engines and enhancing flexibility of use. Equipped with a double scale 2-1/2inch diameter gauges, capable of measuring pressures up to 300pounds per square inches and 2100kilopascals, combined with frame and outer protective cover, ensuring precisions and durability. The tester adopts a corrosion-resistant coating surfaces treatments, greatly improving the durability of the product, suitable for long-time use, and reducing the risk of frequent replacement due to damage. The product packaging is equipped with a storage box, which facilitates the safe storage of all components, protects tool from damage, and is easy to carry and store. Specifications: Component:ABS,Metal Hose Length:12'' Gauges diameter: 2-1/2inches Package Includes: 1Set Compression Tester note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.