The description should really state the maximum hole diameter as many Ethernet connectors have locking tabs that do not go through this connector. I measured the inside diameter of about 14mm. Hopefully this saves someone the trouble of getting this and finding out it doesn't fit.
Tobenone USB C to USB Adapter with π» 2 Ports for MacBook, Dell XPS & More Type-C Devices
13 Review
USB to USB Type-C adapter
18 Review
Cable Matters USB C to HDMI Adapter - 4K 60Hz, 60W Charging, Thunderbolt 4 Compatible for MacBook Pro, iPad Pro
12 Review
Ultimate Compatibility: USB C to HDMI Adapter for MacBook, iPad, Dell, Surface & More
12 Review