Selling armrests only, from office desk chair. Comes with screws. One arm has a number of scratches on it, the other arm is in excellent condition. Actual armrest measures: 320mm L x 55mm W x 225mm H. Width of fixing plus armrest is 145mm. Holes in fixing plate are at 35-60mm (x 2 holes), and 80-105mm (x 1 hole).