https://www.officedepot.com/a/products/3471102/Chief-Kontour-Series-K1-and-K2/
Chief Kontour Series K1 and K2 Monitor Arm Extension Black Black - Office Depot
Use of the KRA220 Extension Arm reduces the total weight capacity of the mount it is used on by 15 lbs 6.8 kg Example adding a KRA220 Extension Arm to a K1D120...
series k1