Berntsen CD2BL Leveling Concrete Marker - works with level rods & standard prism poles
Perfect for situations requiring horizontal and vertical location, the CD2BL features a raised datum point wth a small center dimple that works well with flat bottomed leveling rods or standard prism poles. Intended for use in concrete the CD2BL is 2" in diameter and can be customized with a double row of lettering around the perimeter.
The CAPMAG ceramic magnet can be used with these concrete markers to assure easy detection of the mark with a magnetic locator up to 6 to 12 inches deep depending on soil conditions.
The CD2DRL countersink drill bit is made specifically to perfectly recess this CD2BL concrete marker in existing concrete.
CD2BL Concrete Marker Installation Instructions