* brand new and high quality *Made of high quality material, and practical to use *Internally threaded, open ended type. *Serrations/grooves on the body to help prevent rotation. *Large flange reincompatible withces the hole in thin materials and increases pull out resistance. Specification: *Product Name: Rivet nut *Material: Carbon steel, zinc plated. *Type: Flat head, Knurled body. *Size type: Metric size assorted in compatible with M3,, M5, M6, M8, M10. *Quantity: 150 pcs Package contents: 40pcs compatible with M3 Rivet Nut 40pcs Rivet Nut 30pcs M5 Rivet Nut 20pcs M6 Rivet Nut 10pcs M8 Rivet Nut 5pcs M10 Rivet Nut Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation compatible with the data. 【Material】 This nut rivet threaded insert tool kit is made of compatible with durable and practical carbon steel, long-lasting percompatible withmance. 【Multiple Sizes】 The kit includes a variety of metric sizes, including compatible with M3,, M5, M6, M8, and M10, providing versatility compatible with different applications. 【Threaded and Open-Ended】 Each nut rivet features internal threading and an open-ended design, allowing compatible with easy installation and removal. 【Enhanced Stability】 The serrations/grooves on the body of the nut rivets help prevent rotation during usage, a secure and stable connection. 【Large Flange Design】 The flat head with a large flange reincompatible withces holes in thin materials and enhances pull-out resistance, providing added durability.