Adding a QD, push button, swivel base to your KeyMod rail can be completed in minutes. Machined from 6061 aluminum and finished with Type III Hard Anodizing for durability, the full rotation QD base will increase your sling and attachment options. This base is easy to install and easy to use.Specifications and Features: Grovtec Item Number GTSW110 Full Rotation QD Push Button Socket Use for QD Push Button Swivels 6061 Aluminum Attaches to KeyMod Rail Hardware Included Type III Hard Anodize Finish Black