Make beautiful Cuoio bracelets with our genuine leather Cuoio bracelets, 20 or 12mm square Polaris Elements cabochons and these square setting sliders. The square sliders come in 20 and 12 mm, so they are suitable for square 20 and 12 mm cabochons. Glue a matching Polaris Elements cabochon in the DQ metal square setting slider and slide it onto your Cuoio bracelet.