Kensington Rocking Foot Rest. Product color: Silver, Material: Aluminum, Maximum weight capacity: 299.8 lbs (136 kg). Width: 25.8" (654.5 mm), Depth: 10.6" (268.3 mm), Height: 5.87" (149 mm). Country of origin: Taiwan, Master (outer) case width: 10.2" (260 mm), Master (outer) case length: 20.5" (520 mm)