Solar Light Base

We have a number of solar lights along walkways and between garden hoses, lawn mowers, and other hazards, the bases get broken off. This is a replacement stake. The original stakes break at the base of the cylinder, so I've beefed this area up and extended the cylinder to provide more support.

I'm not sure if this is a standard size, but it fits several brands of solar lights we have.
Cylinder: 23mm Diameter with four .5mm "bumps" along the edge for a tighter fit.
Overall height: ~136mm