R-Go Ergonomic Armrest bracket & clamp black R-Go Tools Ergonomic Armrest is the alternative to the armrests on your chair. The angle ensures that your arms are being supported close to the body during computer work. This creates a straight working position and a natural posture of the shoulders.Fits table thickness between 2 and 5 cm. Specifications Generallength (mm):660width (mm):210height (mm):23weight (gram): 2600Product material: Wood covered with vinylColour: Black Logistical information: Package dimensions (LxWxH in mm): 680 x 220 x 40Gross weight (in grams): 2950Carton weight (grams): 9860Quantity in carton: 3HS code (tariff): 44219999Country of origin: China