Golden and Stainless Steel Color: two colors to choose from, can be used in a variety of different combinations, with butterfly-shaped ear nuts, high qualitySize: 40 pcs stud earring findings about 4mm wide, 15mm long, pin: 0.8mm, hole: 1.5~2mm suitable for most earrings making DIYStainless Steel Material: This product is made of stainless steel, which is hard in texture, does not fade after long-term use, and is not easy to rustSpecial Design: There is a circle on the earrings, you can create a new and special earring.Wide Application: simple to use, can be applied to the production of a variety of earrings and earrings, with a wide range of applications