THE DURABLE CONSTRUCTION AND CLASSIC DESIGN OF THE 6200 SERIES HEAVY-DUTY STOOL IS IDEAL FOR HANDS-ON EDUCATIONAL SETTINGS LIKE ART ROOMS SCIENCE LABS HOME ECONOMICS OR SHOP CLASSROOMS HEIGHT-ADJUSTABLE LEGS EXTEND FROM 19 TO 27 IN 1-INCH INCREMENTS THIS RELIABLE STOOL FEATURES A STURDY FRAME OF 18-GAUGE STEEL TUBING SECURELY WELDED TO A 14 DIAMETER SEAT PAN RIVETED TO THE PAN ARE FIRM ROUND MASONITE SEATS THAT WILL NOT WARP CHIP OR CRACK AS THEY PROVIDE YEARS OF DEPENDABLE USE FOOTREST RINGS AR