The Electro-Static, ESD Rated ErgoRest Forearm Support, Long Upper Arm (Black), Standard Arm Pad (Black) is designed to prevent electrostatic discharge (ESD), making it ideal for the electronics industry or any application where ESD needs to be prevented.

The standard ESD-Rated Forearm Support can be adjusted from level with the mounting surface up to three inches above. An ESD-Rated ErgoRest Forearm Support that includes extension poles is also available. 


  • Colour: black
  • Weight: 1.4 lbs
  • Arm Pad Size: Long, or Standard

338-023: ESD Rated ErgoRest Forearm Support, Long Upper Arm (Black), Standard Arm Pad (Black)

339-023: ESD Rated ErgoRest Forearm Support, Long Upper Arm (Black), Long Arm Pad (Black)

  • Vertical Adjustment Range Above Mounting Point (infinite within the range):
    Minimum: Level with mounting surface
    Maximum: 3.0' (7.6 cm)
  • Length of Lower Arm: 6" (15.2 cm)
  • Length of Upper Arm: 5.875" (14.9 cm)
  • Length of Arm Pad:
  • 338-023: 5.125" (13.0 cm)
  • 339-023: 7.875" (20.0 cm)

  • Total Length:
    Standard: 14.25" (36.2 cm)
    Long: 15.625" (39.7 cm)
  • Maximum Extension (measured from edge of mounting surface to centre of arm pad): 11.5" (29.2 cm)
  • Maximum Desk Thickness:
    Default Clamp (included): 1.75" (4.5 cm)
    Tall Clamp (optional): 2.2" (5.6 cm)
  • Maximum Load: 26 lbs (12 kg)
  • Dimensions of Mousing Surface: 8.875" (22.5 cm) Deep x 7.625" (19.4 cm) Wide
  • Maximum Extension of Mousing Surface: 5" (12.7 cm) from centre mount; 7.5" (19 cm) from off-centre mount
  • Composition of Mousing Surface: Foam with Lycra covering

  • Warranty: 1 Year. (Not covered by our 30 Day Customer Satisfaction Guarantee)
  • Package Contents: Ergorest Forearm Support, (Mousing Surface on applicable models where noted above), Allen Key for Clamp Adjustment

SKU: 5700944