500Pcs Brass Threaded Inserts M2-M5 Heat Set Knurled Nuts for Plastic Injection

420 Pcs Threaded Inserts, M2 M2.5 M3 M4 M5 M6 Brass Heat Set Inserts for Plas...

206PCS Threaded Inserts for Plastic, Metric M3 M4 M5 M6 Heat Set Inserts Asso...

400 PCS Heat Set Inserts, M2/ M2.5/ M3/ M4/ M5/ M6 Threaded Inserts, Brass Me...

520 Pcs Metric Brass Threaded Inserts Assortment for 3D Printing

500PCS M2-M5 Brass Threaded Inserts Kit Knurled Heat Set Female Thread Nuts

600+ Brass Threaded Inserts Kit M2 M2.5 M3 M4 M5 M6 with Heat Set Tool for 3D Pr

350 Pcs M3 Brass Heat Set Threaded Inserts Kit With Soldering Iron Tip Included