The Martin Ridgeline Professional Drawing Table with 36 x 48 Top boasts a generous 36-inch by 48-inch white melamine workspace on one of the sturdiest bases in the market. This table features a four-post steel design that adjusts from both the front and the rear. In addition to a 40-degree tilt, the height range can be adjusted from 29 inches to 46 inches. About Martin Universal/F. Weber Co. For a century and a half, the name Martin Universal and F. Weber Co. have been synonymous with quality art materials. Established in 1853 in Philadelphia, Pa., the Martin/Weber is the oldest and one of the largest manufacturers of art materials in the United States. * Sturdy, 4-post steel base * Extra wide entry access that can accommodate wheelchairs and mobility carts * Table top adjustable from both front and rear * Dimensions: 48L x 36W x 29-46H inches