Base hardware parts with rings for lanyards, keyrings, and keychains. Insert the leather into the opening and secure it with screws. Holes in the leather, so please be careful when installing. The included ring has an inner diameter of 1.0 inches (25 mm), making it the perfect accent for your house keys or car smart key. It can also be used as a one-point charm by hanging it on a bag. How to use it is up to you. Please use it as a custom handmade item. Please prepare a screwdriver for tightening the screws. Please be aware that there may be small scratches on the metal fittings. Parts only. The leather shown is not included.