Features: brand new and high quality Handmade candle making: It can be installed on a hand-made candle, and then hung with a rope for aromatherapy or home decoration. Material: High-quality metal material, thick material, wear-resistant, not easy to fade, practical and durable, and can be used for a long for time. Large quantity: 20 pcs candle buttonholes per pack, enough to meet your needs for making wax tablets. Multi-purpose: Metal buttonholes can also be used to make curtains, belts, dresses, shoes, suitcases, hang tags, canopies and other crafts or other things. Parent-child games: You can make handmade wax tablets with your children and enjoy the fun of DIY! Specifications: Material: Metal Style:1/2 Hole Diameter:1:Approx. 5 mm(0.19 in) 2:Approx. 6 mm(0.23 in) Height:1:Approx. 7 mm(0.27 in) 2:Approx. 6.5 mm(0.25 in) Package Includes: 20 Pcs Metal Grommet Kit 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.