Boss Office Products B850-BK Traditional Back Executive Chair with Mahogany Finish in Black Classic traditional styling; Beautifully upholstered in Top Grain Black Leather 8-way hand-tied coil construction seat Hand-applied antique brass nail-head trim; Adjustable tilt tension control Mahogany wood finish on base; Hooded double wheel casters Upright locking position; Pneumatic gas lift seat height adjustment Classic traditional styling Beautifully upholstered in top grain black (bk) or burgundy (by) leather 8-way hand-tied coil construction seat Hand-applied antique brass nail-head trim Mahogany wood finish on base