Hierarchy 18" Plastic Classroom Chair - Black Sale 1g 6" Diameter PlatformThe first

1g 6" Diameter PlatformThe first triple beam designed specifically for educators Adam Equipment's TBB is the sturdiest choice for the classroom with a strong metal housing

Clarified polypropylene (PP)

Lens offers 99% UV protection

Tapcon anchors are the professional's choice for virtually any concrete application

Foot control: 110V

Hierarchy 18" Plastic Classroom Chair - Black Sale 1g 6" Diameter PlatformThe firstFlexible and ergonomically shaped seat with lumbar support for easy position changes, eliminating stagnant environments. Smooth reinforced back allows for flex action without sharp ridges. Features: 4 leg base Available in four seat heights: 12", 14", 16", and 18" With heavy gauge chrome coated steel base. Include nylon swivel glides.