Eureka Wall Plug Nylon "Ross Tools" The Ceiling Screw has a

The Ceiling Screw has a large head to prevent it from pulling through ceiling board

Fiberglass

reduces liability

If your blade should get wet

They are used to enhance the level of security offered by an electric fence by detecting attempted separation of fence wires and leaving just enough room for natural movement of the live wire

Eureka Wall Plug Nylon "Ross Tools" The Ceiling Screw has aEureka Wall Plug Nylon Product Description Fixing an object to a wall requires wall plugs, which are inserted into drilled holes and provide a gripping base for a screw. For fixing light to heavy weight objects to brick walls. A hole the diameter of the Wall plug is required in the wall. Wall plugs expand when the screw is driven in. Once expanded, the Wall plug holds onto the inside of the hole by means of friction.