National Public Seating Hardboard Stools With Backs, 18inH, Black, Set of 5

These task stools make great chairs for lab tables and science classrooms. These classroom stools feature adjustable backrests to help keep users comfortable. The steel stool frame creates a dependable foundation for peace of mind. Lumbar feature supports your lower back and enhances the natural curve of your spine. Features a 14in-diameter seat with an inset masonite board secured by 8 rivets. Seat construction resists chipping or cracking. Backrest adjusts up/down and forward/back for maximum comfort. Heavy-duty, 18-gauge steel tubing provides a sturdy foundation. 5/8in-diameter foot rings are welded to each leg by 4 contact points to ensure rigidity. Non-marring polypropylene glides help protect the floor when moving the stool. Assembly required.