●Material The positioning shrapnel is made of manganese steel, which is strong, durable and not easy to rust and corrode. ●Design: the hollow double ball V-shape design of the positioning shrapnel improves positioning accuracy and the ball height of 8 mm effectively prevents the material from moving or deforming during the riveting process, which improves the accuracy and stability of the riveted joint. ●Size: diameter of 6 mm, a length of 35 mm and a thickness of 0.4 mm and can be used for pipes up to 20 mm. ●Multipurpose The positioning shrapnel is suitable for riveting a variety of materials, including metal, plastic, wood, etc. ●Quantity: this product contains 20 positioning shrapnels, a sufficient number to meet your needs.