Trimline Mobile Stand by Wolf X-Ray. Wolf's custom manufactured mobile stands provide attractive desk-style seated viewing in any location. Manufactured of high grade welded steel, finished in white baked enamel, Wolf's mobile stands ride on easily glide, ball bearing casters with positive locking mechanism. Available for all the Trimelines in 2 through 6 bank, and 2 over 2, though 6 over 6 sizes.