Golden Brass Settings: The included brass cufflinks settings measuring approximately 18x21.5mm and the tray measures approximately 20mm providing a sturdy base for your creations ensuring durability and longevity. DIY Cufflinks Kit: This DIY crafting kit includes 15 pieces of brass cufflink inlays and 15 pieces of glass cabochons you can surprise your friends family or colleagues with elaborate personalized cufflinks. Glass Cabochons: Each kit comes with clear glass cabochons approximately 19.5~20mm in diameter and 5.5mm thick allowing you to display intricate designs or artwork adding dimension and visual interest to the cufflinks. Easy to Assemble: Suitable for both beginners and experienced crafters this kit provides everything you need to create professional looking cufflinks in no time. Multipurpose and Fashionable: Whether for formal occasions weddings or everyday wear these DIY cufflinks are a versatile accessory choice that allows you to show off your creativity and style for any occasion.