Notes: Please check the pictures carefully before buying to determine whether these products are what you need. Communication is the best way to solve the problem. If you have any problems after purchasing, please contact us in time before opening return or case. Application for: The brake flaring tool can be used with 3/16″, 1/4″, 5/16″, 3/8″ and 4.75mm diameter various tubes. Brake flaring tool applicable for soft metal tubes, including copper and aluminum, works with 304 stainless steel, steel tubing. Description: 100% New and High Quality .