Manual brake tube flaring tool for SAE double 45 degree 3/16inch line1、Multi Functional Tool: This 3/16in brake pipe reamer doubles as a brake tube expansion tool and also works for riveting and expanding car air conditioning copper pipes, delivering multiple uses with strong practicality. 2、Versatile Usage: The brake pipe reamer easily allows for creating ISO or DIN bubble flaring and 45 degree SAE double flaring on 3/16 inch (4.75 mm) ferrule tubing, such as brake lines. 3、Improved Efficiency: The tool is designed keeping user convenience in mind, whether you are working off vehicle or on vehicle, simplifies the process of creating perfect bubble and double flares. 4、Compact Design: Built to meet the most stringent space requirements, this compact tool can be used even in tight spots without compromise on performance. 5、Durable Construction: Made of high strength steel material, this brake pipe reamer ensures robustness and longevity even under heavy duty usage.