Features 1、Made of 304 stainless steel, not easy to rust. 2、This box contains 4 different types of rivet nut, M3, M4, M5, M6. 3、Exquisite workmanship and clear thread. 4、4 different types of rivet nut, meet your different needs. 5、This product is widely used in various types of industrial fields.​ Specification Feature: Made of 304 stainless steel, not easy to rust. This box contains 4 different types of rivet nut, M3, M4, M5, M6. Exquisite workmanship and clear thread. 4 different types of rivet nut, meet your different needs. This product is widely used in various types of industrial fields. Specification: Material: 304 Stainless steel Product dimension: M3, M4, M5, M6 Weight: 398g / 14.0oz Package list: 50 * M3 50 * M4 50 * M5 50* M6 (Total 200pcs) Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product. Package List