Lord of the Rings - Armies of the Middle-Earth Warriors and Battle Beasts Scale Figures.
Eomer on horseback, I beleive it's 1/24 Scale.
Made by Play Along in 2003 and long out of production.
The Lord of the Rings Warriors and Battle Beasts assortment features fully articulated 3 scale action figures from the representatives of Middle Earth. These highly detailed sculptures feature computer scanned likeness of the Trilogies stars. Includes environmental display base and multiple weapons and accessories."