ErgoRest Large Upper Clamp 34-64 mm (Black)Large Clamp Version. The Color is Black. This is the larger larger version of the jaw if your desk is thicker than usual. This optional larger clamp version offers a grip range (1 5/8? to 2 1/2?) or (34-64 mm).
Specify in the comments when you order the color you want. Either black or white.
White Upper Clamp,Ergorest Upper Clip,Ergorest Upper Clamp,Ergorest Forearm Support Replacement Brackets,Ergorest Large Clamp,Ergorest Wide Clamp for Arm Support