He looks taller to me, perhaps around six foot, based on his proportions while seated. His legs are too long for that bench, which would only be a problem for a taller man.
The originals for these photos are much larger than they appear below and total more than fifty in number. They're joined together with nine other complete photo shoots featuring lads, both black and white, alone and pleasuring themselves in a collection with about four hundred fifty images. To download the complete group of all photos from all ten shoots, be sure to click here.