Knoll Pollock Executive Swivel armchair black leather1956 Design Charles Pollock’s 1965 executive chair, now considered one of Knoll’s most memorable designs, features a chrome rim that supports the chair both structurally and visually Stainless steel cap over steel armature base on casters or glides. Tufted leather with polyurethane and polyester padding over molded shell with chrome trim waterfall front frame and black arm rests. 37 available in 4 or 5 star base