19-707 Survey Marker, 3-in (76.2mm), Dome 1956-1800 while the 1/2-inch wide tape

while the 1/2-inch wide tape features a folding metal end hook for secure placement

It also has a nail hole for an exact positioning of a theodolite over a reference point

an accuracy of ±3/16 inches at 50 feet

This holder can be mounted to a tripod or can be attached to a leveling staff for stable leveling

It is equipped with a dual clamp locking mechanism to allow elevation ranging from 46 inches up to 72 inches

19-707 Survey Marker, 3-in (76.2mm), Dome 1956-1800 while the 1/2-inch wide tapeThe 700 series survey markers are ideal for boundary or general survey markers. 3 in (76. 2mm) head diameter Cast from solid brass Shank is ribbed to prevent turning or loosening Non glare finish Head type: Domed