This high quality Art Horse is designed and engineered especially for college and professional use. It's built to be simple, versatile and long lasting under hard, everyday use. The Art Horse can be used when seated or standing. The frame is rigid 2 in. square tubing, welded to last. The 18 in. x 24 in. top telescopes from 31 in. to 48 in. high and pivots 180 degrees to adjust to any seated or standing drawing position. The top and seat are solid 11-ply, 5/8 in. thick Baltic birch plywood with high-pressure laminate. Dual locking handles on pivot bracket provide no- slip positioning of top, at any angle. Metal stops at the top and bottom edges keep materials from sliding off and drop below top when not in use. Included are adjustable leg levelers for uneven floors. The weight of the AH100 is 45 lbs. The base measures 24 in. x 30 in.