Type-C Clamp Hub Pro | iMac Expansion Adapter - Satechi
Amazon.co.jp: Satechi Aluminum Type-C Clamp Hub Pro USB-C Data Port, 3 USB 3.0 Ports, Micro/SD Card Reader (Compatible with iMac Pro and iMac 2017 and higher models) : Computers
ST-TCIMHS: Aluminum Type-C Clamp Hub Pro at reichelt elektronik
Amazon.co.jp: Satechi Aluminum Type-C Clamp Hub Pro USB-C Data Port, 3 USB 3.0 Ports, Micro/SD Card Reader (Compatible with iMac Pro and iMac 2017 and higher models) : Computers