1. The leather sewing needles are practical. By pulling out the connectors at the end of the base, the retaining pins can be easily removed or inserted. The pins are securely locked once the connection of the base is released. It should be noted that forcibly removing the pins may damage the solder connection between the ring and the pin. 2. The leather stitching positioning needles are a practical tool for all leather workers. They are mainly used for fixing leather edges before sewing, stabilizing the material and allowing precise sewing without hands. In the production of leather goods, a secure and firm stand is crucial for a professional. This special tool makes this possible and effortless. 3. Made of quality metal material, these leather sewing positioning needles are characterized by extreme durability and longevity. The knurled antislip design at the base ensures a firm grip and control. With an attractive, smooth surface, the pins are easy to install and remove and are rustresistant. 4. Our leather sewing needle set contains 4 pieces. Each needle has a total length of 28 mm (1.1') and a needle length of 18 mm (0.71').