18 x 24 MAYLINE PORTABLE DRAFTING BOARD. For the Architect, Engineer, Artist or Doodler. inch thick heavy duty board with accurate, adjustable slide rule. Has sturdy foldable legs for raising back of board about 3 inches. Has sturdy easy grip for carrying. In new condition with no scratches, chips or other defects. Has had no use and is taking up space in storage. A bargain at less than half the price of a new one now.