Surv-Kap's rebar caps feature a patented tapered internal hole which accepts most irregular-shaped rebar ends. Caps with the plastic insert are only available for 5/8" rebar, and come in 2", 2 1/2", and 3 1/4".
The MAG HUB is magnetized for easy detection and galvanized coating to resist corrosion.
It has a large center point and looks like a standard survey marker. The MAG HUB is less than half the price of a stake and is easy to carry.
Not made to be driven in concrete or asphalt.