Package Includes: You will receive double sockets and single sockets, wear-resistant black, suitable for fixing wooden slats on the bed frame. How to Use: Bed Slat Holders – Insert the boards into the end caps or center caps, align the cap pins with the mounting holes, and secure them to the bed frame. Function: The side slat bracket attaches to the side and center support rails of your bed frame using two prongs, which are fixed in place using pre-drilled holes for a secure fit. Wide Application: These slat caps are ideal as repair or replacement parts for metal beds, leather beds, wooden beds, day beds, bunk beds, and more. Material: Measuring 5.5 cm (2.17 inches), the slat cap is made of new high-density plastic material, strong and durable. Specifications: Material: Plastic Size: 5.5 cm (2.17 inches) Package Includes: Option 1: 12 Double Sockets and 24 Single Sockets Option 2: 24 Double Sockets and 48 Single Sockets Note: Please allow slight variations due to manual measurement and differences in monitor displays.