sk Chair Ergonomic ESD Task Chair, Weight Capacity 300 lb, Material Vinyl (Antibacterial), Seat Height Range 23 in to 33 in, Color Black, Seat Width 20 in, Seat Depth 18 in, Seat Tilt Backward 6 Degrees , Seat Tilt Forward 6 Degrees , Back Height 16 in, Back Width 17 1/2 in, Base Five-Star Polished Aluminum, Back Tilt Backward 15 Degrees , Back Tilt Forward 11 Degrees , Number of Casters 0, Number of Glides 5, Foot Support Yes, Partially Assembled, Standards ANSI/BIFMA, UL, Not Applicable