ERGOTRON n StyleView Sit-Stand Combo Extender - Short - mounting component (extender arm, wall track slider, arm cover) - polished aluminium, high-grade plastic - silver

SV Sit-Stand Combo Extender, short
Add an extender to your SV Combo Arm and increase its reach by 9" (23 cm).

Benefits
Adds a third pivot-point for more adjustment flexibility
Clean and integrated cable management conceals cables
Easy-to-clean design provides infection control