This is a simple keyholder die. You can make a keyholder by cutting out two pieces with the die, gluing them together, and attaching a split ring. You can easily create an original keyholder!!! Ideally, you would use a press machine, but if you don't have one, you can also cut it out by tapping. When tapping, it's better to use a rubber hammer or mallet. We recommend placing a rubber sheet on top of the die before tapping. The blade is sharp, so please be careful not to touch it.