Approximately 9mm silver plated brass reversible cloverleaf connectors with approx 5mm circle for gluing or stamping. Diamond/square on reverse side can also be stamped or glued. 1.8mm thick. Four 1.8mm inner diameter loops. JBB Findings is a major manufacturer of high quality jewelry findings & supplies. Silver plate is a thin surface layer of actual silver. Stampable and gluable. Can be used as links or multistrand connectors. Overall measurement includes loops.