EWK Air Brake Caliper Piston Compressor Master Tool Kit 1.All moving parts are made from high quality chrome alloy steel. Current pad configuration covers nearly every vehicle around the world. 2. The air gun in the kit incorporates a single piston press shaft that is non impact type of action 3. Solid cast aluminum body is durable, light weight and anodized. All pieces are securely housed in a blow molded case 4. This tool is available to use on Left thread / right thread wheel cylinder piston of brake system. MAXIMUM WORKING PRESSURE: 114 psi (Higher Pressure May Cause Damage)Please kindly find more details in our product images. Before purchasing, please kindly check our following policy.