b'Double-Rolled Steel / Wide SeatDouble-rolled steel frame with fully upholstered seat and back. Includes integral linking device.2450 B Shape WIDE SEAT 3450 B Shape WIDE SEAT46 cm 91 cm 99 cm 51 cm 83 cm 101 cm51 cm 50 cm 4.5 cm 7.2 Kg 56.5 cm 50 cm 8.5 cm 8.2 KgWide Model Chairs - 50 cm wide frame gives additional comfort and meets local regulations that require a 50 cm width.25'