BOSS Furniture HI-BACK BY LEATHER W/MAHOGANY FINIH 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. Hooded double wheel casters. Upright locking position. Pneumatic gas lift seat height adjustment. Adjustable tilt tension control.