Studio Designs Futura Chair Footring Extension in Silver 10048 Overall Dimensions: 18"L x 18"W x 8.25"H Raises Height of the Futura Chair Seat 9" Chrome Metal Footrest resists Scratching Heavy Gage Steel Construction for Durability No Tools Required Overall Dimensions: 18"L x 18"W x 8.25"H Raises Height of the Futura Chair Seat 9" Chrome Metal Footrest resists Scratching Heavy Gage Steel Construction for Durability No Tools Required