Safco Products 3957 PlanMaster Adjustable Drafting Table Base for use with 3948, 3951 Table Top, sold separately, Black PlanMaster heavy duty steel drafting table base (table top sold separately) Provides height adjustment 29 1/2" to 37 1/2" and angle adjustment when combined with top, sold separately Raises top, sold separately with spring-assisted mechanism Top, sold separately angle adjusts up to 50 degrees For use with 48" Table Top Model 3951 or 60" PlanMaster Table Top Model 3948 (both sold separately)