Amazon.com : SmallRig Hero7 / Hero6 / Hero5 Cage, Aluminum Video Cage with 52mm Filter Mount and Mic Adapter Holder for GoPro Hero7 / Hero6 / Hero5 Black CVG2320 : Electronics
Ulanzi GoPro Hero 11 10 9 Black Metal Cage Frame Case With 52MM Filter Adapter Extend Cold Shoe Mount Mic Fill Light|Sports Camcorder Cases| - AliExpress
G9-4 Action Camera Video Cage Plastic Vlog Case Protective Housing with Dual Cold Shoe Mount 52mm Filter Adapter Extension Accessory Replacement for GoPro Hero 10/9 - Walmart.com
Ulanzi 52mm Filter Adapter for GoPro HERO9 2334 B&H Photo Video