Executive Chair (SL-9018) Black Synthetic Leather. Executive Swivel Managers Chair (SL-9018) High Back, Metal Chrome Base & Metal Chrome Arms. In Black Synthetic Leather.Excellent value for money / Inbuilt headrest for all round neck and head support / Durable chrome 5 star base / Chrome arms in matching padded for extra comfort / Fine stitching detail / Gas lift height adjustment / Tilt mechanism with tension control to suit the weight of the user.