Underground Toys The Mortal Instruments City of Bones Mini Jace's Stele Keychain The Mortal Instruments City of Bones Mini Jace's Stele Keychain with Light Steles are the instruments used by the Shadowhunters to draw powerful runes onto their skin. This highly detailed mini replica of Jace's stele features a UV light Can also be used as a key chain! Perfect for any fan of the series