The Brass Flare Cap Assortment Kits by Breezliy includes six sizes of SAE 45° flare caps in 1/4", 5/16", 3/8", 1/2", 5/8" dimensions. These kits are essential for hydraulics, pneumatics, pumps, and plumbing installations. This set provides a comprehensive range of sizes to fit various applications in the industrial sector. With this assortment, users can easily find the right cap size for their project, ensuring a secure and efficient connection.