Load capacity 50kg esupply for monitor arm pole

I purchased an esupply monitor arm pole (70cm) to which various monitor arms can be installed. Ergotron LX arm can also be installed.
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Monitor arm pole (70cm) EEX-LAP10BK
amzn.to/3VNudFl
90cm length model is also available.
Monitor arm pole (90cm) EEX-LAP11BK
amzn.to/406zWZm
Product URL is Amazon associate link in Japan.