The copper 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 the risk of sliding during use. double -headed hand diamonds and copper cards provide multifunctional and efficiency.The drill head is carved with spiral texture, which provides a solid grip to make your manual task more effective and effort. 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 the grip and durability, and a reliable choice for long -term use. Enough tool for supply can meet your demand for exquisite jewelry. With the 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., Weight: 0.24471311082 Pounds, Manufacturer: tiyao