Easily open double rings♪ - Just clip it on, it's that simple - Easy to open double rings - Won't damage your nails when changing keychains - Model Name: Double Ring Opener - Size: Approx. 5.9cm - Country of Origin: China Thank you for looking. I had this as a spare, but I'm selling it as part of decluttering. It is unused, but has been stored at home. Please refrain from purchasing if you are concerned.