Size: about 40mm long, Pin: 0.7mm(21 Gauge), head: 2mm in diameter. Pack of 500 pcs. Serviceable material: these metal jewelry head pins are made of stainless steel, which are sturdy and reliable, not easy to break or deform, can be applied many times, so as to serve you for a long time and provide you with a nice using experience. How to use: the flat head pins for jewelry making are easy for you to use, you just need to slide the appropriate beads and rhinestones into the pins, then design and make different decoration styles according to your preferences and taste. Enjoy DIY time: the enough quantity of head pins allow you to invite your friends and families to make handicrafts together, so that you will enjoy a lot of fun with your friends and families, and the relationship between you and them will be strengthened. Widely Usage: You can use these simple pins with flat heads in many places, they are suitable for DIY jewelry making, such as earrings, necklaces, crafts making, beads, pendants and so on, bringing you a beautiful and delicate decoration effect. Widely Usage: You can use these simple pins with flat heads in many places, they are suitable for DIY jewelry making, such as earrings, necklaces, crafts making, beads, pendants and so on, bringing you a beautiful and delicate decoration effect. Enjoy DIY time: the enough quantity of head pins allow you to invite your friends and families to make handicrafts together, so that you will enjoy a lot of fun with your friends and families, and the relationship between you and them will be strengthened. How to use: the flat head pins for jewelry making are easy for you to use, you just need to slide the appropriate beads and rhinestones into the pins, then design and make different decoration styles according to your preferences and taste. Serviceable material: these metal jewelry head pins are made of stainless steel, which are sturdy and reliable, not easy to break or deform, can be applied many times, so as to serve you for a long time and provide you with a nice using experience. Size: about 40mm long, Pin: 0.7mm(21 Gauge), head: 2mm in diameter. Pack of 500 pcs.Number of Pieces: 500. Style: Simple. Brand: DanLingJewelry. Material: Stainless Steel. Color: Ball Pin - 40mm - 500 Pcs. Date First Available: July 11, 2019. Manufacturer: DanLingJewelry. Item Weight: 2.82 ounces. Best Sellers Rank: #129,119 in Arts, Crafts & Sewing. Customer Reviews: 4.5 4.5 out of 5 stars 165 ratings 4.5 out of 5 stars. : B07SDV4TYH. Item model number: DanLingJewelry. Package Dimensions: 5.39 x 3.07 x 1.54 inches.