Triangles set at regular intervals 20 ft. in a row to measure distance. This takes into account the "visual space" measured, also allow them to blend well with the rows of big beautiful oak trees... -David Riker





Triangles set at regular intervals 20 ft. in a row to measure distance. This takes into account the "visual space" measured, also allow them to blend well with the rows of big beautiful oak trees... -David Riker




