Door Gauge String Line Holder – BT Engineering


BT Engineering’s Door Gauges are perfectly suited to hold and maintain your chalk string line while you work. We have Door String Line Holders for sale in both Small and Large sizes, and you can attach them to the frames of steel doors to keep the string line up. These Australian made steel door gauges are also zinc plated so you can use them without worrying about corrosion.

BT Engineering Door Gauge String Line Holder for sale

  • For use with steel door frames
  • Holds string line for stable and accurate lines
  • Two available sizes: Small and Large
    • Small is best suited for small and medium frames
    • Large is most compatible with medium and large frames
  • Zinc plating protect gauges from corrosion
  • Made in Australia with pride


Related Items: Line blocks, Corner Blocks, Door Blocks

Product Type

Large, Small