Hollow 4.5"x 4.5" fir post used as the foundation of an interior railing and to terminate a handrail. 
 
Can be stained or painted. 
 
Fir has a mixture of reddish brown and creamy yellow that can give you both a rustic or modern look. The grain is usually straight, or marginally wavy. It has a medium to coarse surface, with a moderate natural radiance.