Let me start by saying this little adapter is a game-changer if you're juggling multiple action cameras like me. I've used it with my GoPro, DJI Osmo, and even an old Akaso - it fits them all perfectly. The 1/4"-20 thread conversion works seamlessly with my tripods and other accessories.
The set of three adapters is brilliant - I keep one on my main camera, one in my bag, and gave the third to my filming buddy. They've got a satisfying weight to them that makes them feel durable, though I wouldn't trust them for extreme sports like skydiving (the product page doesn't claim they're for that anyway).
Where these really shine is in everyday use. I recently used one to mount my GoPro on a magic clamp for some overhead shots during a cooking video - worked like a charm! The grip is secure enough that I didn't worry about my camera falling, but still easy to adjust when needed.
My only complaint? After using these for a few months, I wish they came in larger packs! The quality is solid (not premium, but definitely good), and at this price point, having more would be convenient. They're perfect replacements if you've lost your OEM adapters or need extras for different setups.
Bottom line: For stationary use or light movement applications, these adapters deliver excellent value. They won't replace high-end mounting solutions for professional shoots, but they absolutely get the job done for casual creators and vloggers.