The Tecno P126 Executive office chair, designed by Osvaldo Borsani in 1966, is an icon of Italian modernist design, combining industrial aesthetics with ergonomic functionality. Here are the key details: Design and Structure: The model stands out for its fiberglass shell, originally designed for use with a sturdy five-star base in die-cast aluminum. The padded armrests and three-button quilting are distinctive elements of the Executive version, designed to offer superior comfort during prolonged use. Materials and Finishes: The version described features a fine black genuine leather upholstery, covering both the seat and backrest. The aluminum of the legs and armrests ensures lightness and durability. Adjustments and Comfort: The armchair features advanced mechanisms for its time, including: Gas pump: for smooth seat height adjustment (typically between 43 cm and 52 cm). Tilt plate: allows the backrest to tilt for dynamic seating. Multidirectional wheels: facilitate movement on different surfaces. Approximate Dimensions: Total height: approximately 85-115 cm (depending on the adjustment and backrest version). Width: 65-70 cm. Depth: 66-74 cm.