[Improved Efficiency] Designed for user convenience, whether off vehicle or on vehicle, simplifying the process of creating perfect flares. [Compact Design] Meeting space requirements, this tool can be used in tight spots without compromising performance. [Versatile Usage] Easily create both iso or din bubble flares and 45 degree sae double flares on 3/16 inch ferrule tubing, ideal for brake lines. [Multi-functional Tool] This brake pipe reamer serves multiple purposes, doubling as a tube expansion tool and working on car air conditioning copper pipes. [ Construction] Made of high strength steel for robustness and longevity even under heavy duty usage.