Sizes: The 304 stainless steel tube bails is about 7mm long, 3.5mm wide, 4 diameter hole is 1.5mm.2 colors, 30pcs/color, 60pcs pack. Easy for you to link these bead bails with other findings. Material: The tube bails beads are made of 304 stainless steel , durable and shiny. If properly maintained. It can be used for a long time and has a smooth and shiny surface. Easy To Use: This tube bails is a jewellery accessory that is easy to use by threading it on with a bracelet or necklace, which has small holes to decorate its charms. Wide Usage: The stainless steel tube bails are suitable for all kinds of jewellery making, such as necklaces, bracelets, clip-on pendants, dangling earrings, beadwork and more. You can make different styles of jewellery for family or friends. Gifts: These bowling ball beads are suitable for different occasions. You can make it into various styles of jewellery to use them as gifts for friends and family at birthday parties, theme parties, Halloween and Christmas parties.