IDEAL FOR WAREHOUSE SHIPPING DISTRIBUTION AND OTHER RELATED APPLICATIONS. THE PIGEONHOLE RISER MEASURES 7-3/4""H X 12""D AND STORES SUPPLIES AND VARIOUS SIZED COMPUTER EQUIPMENT FOR OUT OF THE WAY STORAGE. UNIT LEGS ARE HEIGHT ADJUSTABLE FROM 38"" TO 42-1/2""H AT 1-1/2"" INCREMENTS PROVIDING ADDED COMFORT AND REDUCING FATIGUE DURING EXTENDED WORK PERIODS. 3"" SWIVEL WITH 2 LOCKING CASTERS FOR EASY MOBILITY.