ERGOTRON 97-904 Ergotron WorkFit Dual Monitor Kit - Mounting kit for 2 LCD displ Ergotron 97-904 WorkFit Dual Monitor Kit Please ensure that your original part number matches this exactly, or check with the manufactuer for compatiblity. Customers are responsible for compatiblity. This part is guaranteed to be fully functional, original and authentic. Ergotron 97-904 WorkFit Dual Monitor Kit