The Imperial Eastman 300FA Heavy Duty Tubing Double Flaring Tool is a high-quality tool made in the United States. It has a 45° flare angle and can be used for pipes with a size of 5/8 in. This tool is designed for double flaring and can handle tubing sizes from 3/16" to 5/8". It is a single unit and not a custom bundle. The tool is made of hardened materials for durability and reliability.