Hexa Sports offer the following posts and nets for mini/short tennis play:
Freestanding mini tennis posts with weighted wheelaway bases and drop in poles.
Mini tennis nets with end sleeves for poles.
Mini tennis packages with mini tennis posts, mini tennis nets, rackets and balls.
Heavy duty mini tennis posts for mounting in ground sockets (red zone mini tennis)
Heavy duty mini tennis sockets blue powder coated with hinged lids.