Seco Manufacturing

SECO Double Right Angle Prism


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Part Number: 4900-00

This Double Right Angle Prism allows for easy determination of right angle points or perpendicular points between two targets.  You can use it to set grading stakes and create corners. It comes with a leather case that can go on your belt.

  • 90° and 180° Stepping Off
  • Slot in Handle for Plumb Bob Cord
  • Center Lens for Foresight Viewing
  • Slot in Handle for Plumb Bob Cord
  • Durable Metal Cover and Leather Case