The CR staves from Seco are constructed of strong, rigid fiberglass with a rectangular shape with rounded back corners for better gripping. The scale width is graduated to fill the entire face of the rod, with the measuring scale on the back side allowing height readings.
The special molded stand-off ribs protect the scales from wear and the CR rods are waterproof and corrosion-resistant.

The CR leveling staves are is non-conductive