Interlocking Z Clips for Flush Mounting Pictures, Head Boards, Wall Panels - 5 Sets Quickly, easily and inexpensively mount virtually anything to a vertical surface. Interlocking design ensures that your wall hung objects can never slide off and fall by accident. A HUGE safety feature. All steel construction means they're VERY durable and built for long service. Comes with all the screws you need for mounting to wood OR drywall. 5 Sets of Clips