Crafted for those who appreciate simplicity, and quick assembly, this keychain is beautiful on its own with the optional filler disk, however is also AirTag compatible, offering peace of mind by keeping your valuables within reach. It is easily customized to suit your unique style. Attach it to your keys, bag, or any item you cherish. Insert four 4mm Chicago Screws and a keychain loop. It takes only a few minutes to cut and assemble. This looks beautiful with both thin and thick leather.