For monitors up to 20". Nonslip rubber mat. Textured steel with radius edges and graphite finish. Twin-wheel casters, two locking. Top shelf adjusts from 26" to 42" at 4" increments. Bottom storage cabinet for supplies. Electrical outlet strip (QRT88002) sold separately. 24w x 18d. Shpg. wt. 60 lbs. Assembly required.