【Heat Set Insert Tips Tool】 1 hot iron heating rod and 6 tips heat-set inserts M2 M2.5 M3 M4 M5 M6 M8. M2 and M2.5 share a common tip

【Multiple Standard Sizes】 In this kit, you will get 360 count M2 M2.5 M3 M4 M5 M6 female knurled nuts in different lengths, total 15 sizes. Super large quantity and various sizes can meet your needs to install numerous printing accessories.

【 Performance】 Thanks to the outside oblique threads, it holds firmly in the part and ensuring a high balanced tightening, once heated plastic around the brass sleeve nuts cools and hardens, the threaded nuts are firmly anchored

【Wide Application】 These m3 threaded insert nuts can be inserted into various plastics, such as PC, PA, PLA, ABS, PETG, etc. Suitable for installing printers, electrical molding machines, electrical injection molding, automotive or laptop molding plastic shells, etc.

【Thickened Storage Case】The nuts come in a portable clear box with corresponding sizes label. It is convenient for you to put and store, which allow you to get the you need , improving your project efficiently.