Sturty & Durable: Made of high-quality materials, and treated with rust and corrosion protection, sturty and durable enough. Large acrylic dial with rubber cover is convenient to read datas more accurately. Pressure range: 0-300 psi, 0-20kg/cm². Professional Tester Kit: Our cylinder compression tester kit is a professional tool to measure pressure on gasoline engine cylinder quickly and accurately. It is suitable for petrol engines on motorcycles, cars, trucks, ATVs, and any other vehicles. Easy to Carry: The handheld carrying case is made of high quality PVC, keeps all accessories in place and protects the gauges during storage and transportion. .