19/32 in. 2-3/8 in. Unplated Invisible HingeFor more than 110 years SOSS Invisible Hinges have been found in many applications where flush fit, compact size and smooth operation are necessary. SOSS Invisible Hinges are unparalleled in safety and security. When closed, the SOSS Invisible Hinge cannot be seen or tampered with. When open, the riveted hinge pin is non removable. For use in metal applications for superior appearance and durability Every door should be provided with at least 1 hinge