JCBIZ 30pcs 65x9mm Plastic Bed Slat End Caps Holders Plastic Connector Furniture Accessories for Holding Securing Wooden Slats Bed Base

These retainers are mounted on the side of the bed frame and on the center support rail using two pins, which you can use pre drilled holes to secure to the bed frame.
Made of plastic, abrasion resistant black, suitable for all types of bed board.
If the size is right, no additional tools are required to install. Place the bedplate in the bracket and align the plastic pins with the mounting holes.
These plastic covers are ideal repair and replacement parts for metal beds, leather beds, wooden beds, sofa beds, bunk beds, etc.
These bed slats hold your slats in place on the frame.