Enough tool for supply can meet your demand for exquisite jewelry. This mini -drill is made of high -quality Metal, which is small and strong, and it is not easy to deform or wear.Copper cards are accurately cut into shapes, which enhance grip and durability, and a reliable choice for long -term use. double -headed hand diamonds and copper cards provide multifunctional and efficiency.The drill is carved with spiral texture, which provides a solid grip to make your manual task more effective and effort. The copper diamond chip is about 1.38 inches (about 3.8 cm) in length, which is suitable for using a screwdriver.The size of this twisted tool is about 3.94 x 0.36 inches. It uses vertical striped design to comfortable grip and reduce risk of sliding during use. With help of these needles, you can make antiques, bracelets, necklaces, key chains and ornaments.This tool not only brings you DIY fun, but also can achieve a deep sense of accomplishment when creating beautiful and personalized handicrafts. Product name: 4-piece double-ended pin vise Colour:Silver Material:Metal Package Contents: 1set x pin vise Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.