EFT Pretty Gold Metal Framed Multicolored Pearl Nail Polish Art Fashion Accessory Stud Set for Nail Art DIY Decoration 100% brand new and high quality Add a pretty little pearl to any manicure for a touch of elegance Package Includes: Color variations in a easy to use 12 slot wheel. Materials: Metal alloy and resin. Studs measure roughly 4 mm X 4 mm.