This comprehensive kit by Betool is perfect for testing the compression of your vehicle's engine cylinder. It includes all the necessary accessories such as fittings, carrying case, and adaptor hose to make the testing process hassle-free. The kit is suitable for use on motorcycles, ATVs, and passenger vehicles. The HW0130 compression tester is designed to help you diagnose the issue quickly and accurately. It is a must-have for any mechanic or DIY enthusiast. With its high-quality construction and reliable performance, this kit is sure to meet your testing needs.