Features: brand new and high quality. It will produce different effects, suitable for both beginners or skillful people, will create much fun for your leisure for time. Made of high security copper material and it will provide long-term strength and use for many years. Using rotating bearing tool to DIY a unique spinning b for butterfly charms that provides more choices for your different nail styles. Wonderful gift for your wife, girlfriend, mother or sisters, and excellent for parties, wedding, costume ball and so on. You will get 10x rotating bearing. You could DIY nail charms or any 3D nail art charms with rotating bearing tool and make it spin. Package Includes: 10x Small Bearings Specifications: Material: Copper Size: approx 3.7x2.2mm/0.15x0.09 inches note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.