Cufflinks mason for printable/cnc -no holes -size 20.2 x 20.2 x 3.5 mm -contains a clasp -weight yellow gold 585 (14k) 6.53 gr yellow gold 750 (18k) 7.33 gr silver 4.97 gr white gold 585 6.91 gr white gold 750 7.47 gr -If you have questions or suggestions for improvement of this product please contact me in messages