Cufflinks luck for printable/cnc -no holes -size 20.4 x 20.7 x 3.5 mm -contains a clasp -weight yellow gold 585 (14k) 8.32 gr yellow gold 750 (18k) 9.35 gr silver 6.33 gr white gold 585 8.8 gr white gold 750 9.53 gr -If you have questions or suggestions for improvement of this product please contact me in messages