Feature:_x000D_ _x000D_ Made of 304 stainless steel, not easy to rust. _x000D_ This box contains 4 different types of rivet nut, M3, M4, M5, M6. _x000D_ Exquisite workmanship and clear thread. _x000D_ 4 different types of rivet nut, meet your different needs. _x000D_ This product is widely used in various types of industrial fields._x000D_ _x000D_ _x000D_ Specification:_x000D_ Material: 304 Stainless steel_x000D_ Product dimension: M3, M4, M5, M6_x000D_ Weight: 398g / 14.0oz_x000D_ _x000D_ Package list:_x000D_ 50 * M3_x000D_ 50 * M4_x000D_ 50 * M5_x000D_ 50* M6_x000D_ (Total 200pcs)_x000D_ _x000D_ Note:_x000D_ The actual product color may deviate from the photo due to light._x000D_ There may be a slight deviation in the measurement of product.