Rosco Steel Stage Screw for Securing Scenery / Flats 74100
3/8" diameter. Heavy steel with zinc plating.
The Steel Stage Screw should be used when the screw must be used in the same place several times, or where exceptional holding power is needed. To use the Steel Stage Screw, drill a 9/16" hole, screw the Stage Plug into the floor with a wide straight blade screwdriver, then fit the screw into the plug.