Comprehensive Set: the package includes 2 pcs 1 inch NPT B type global aluminum cam and groove hose fittings, 2 pcs 1 inch NPT F type aluminum cam lock fittings; Not only it can satisfy your daily usage but also serves as a backup, even extend it to friends or family Reliable and Durable: craft from sturdy and reliable aluminum alloy, our B type cam groove hose fittings are treated to withstand corrosion without losing its color; The longevity and durability that come with this product ensure you have a reliable, long usage Practical Locking Mechanism: type B camlock fittings comes with a practical handle locking mechanism during union, ensuring that your fittings stay safe and locked in place to prevent disconnection; This feature gives the product a level of practicality and ensures stability and safety during use Easy Assembly: our hose fittings come with a cam lock interface, which is designed for easy combination with the external thread groove adapter, the other end is connected to the NPT external threaded joint; This design makes setting up and assembly a breeze, offering efficient hose management Wide Applicability: our 1 inch NPT threaded aluminum cam lock joints adapt well to various media, including hydraulic oil, cooling oil, water, and more, this tool offers quick and convenient connection or disconnection without the need for other instrument Features: Their robust build, good performance capabilities, and versatile usage make these air hose connector fittings the ideal component for those seeking a reliable air hose fitting solution. These hose fittings can also be applied as gifts for family members, friends, relatives, coworkers, neighbors, and other people you care about, so you can send them to show your love and concern, and to strengthen your relationships. Specifications: Material: aluminum alloy and stainless steel Color: silver Size: as shown in the pictures Package includes: 2 x Type B aluminum global 2 x Type F aluminum global 4 x Camlock gasket fitting Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Small items included, adults' supervision is needed, and keep them away from little ones.