Features: Application：This kit is designed to create single or double flares on 3/16″ / 4.75mm and 1/4″ tubing. Note: This tool works on soft materials like copper, aluminum, soft steel brake lines, etc. It is not suitable for tougher metals like stainless steel, iron, etc. Low Profile Design：This tool features low profile design, allowing you to easily flare tubing in tight spaces. No need to replace a whole section of line, you can simply repair the splice to make everything work properly. Easy to Use：The vise assembly holds tubing centered securely without marring, and depth stop ensures proper tubing length. This kit comes with instructions for easy installation. .