14K Gold Opal Slide. 14mm(9/16 inch) Wide and 14mm(9/16 inch) Long. 1-4mm Round Opal.. 14K Gold Opal Slide. 14mm(9/16 inch) Wide and 14mm(9/16 inch) Long. 1-4mm Round Opal.Fine styling and finish from our Classic Slide Collection - Fine gems set in 14K gold with solid back. Hand made and finished. Add this to your slide bracelet. Made in the USA.