300 Pcs M3 Threaded Inserts for Plastic with Heat Set Tip,M3*3mm-10mm Hight*4...

152 Pcs Threaded Inserts for Plastic, 3 Sizes of M3 Heat Set Inserts with Sol...

300 Pcs M3 Threaded Inserts for Plastic with Heat Set Tip,M3*3mm-10mm Hight*4...

Yaocom 300 Pcs M3 Threaded Inserts x D5 x L4 Heat Set x x L4, gold

152 Pcs Threaded Inserts for Plastic, 3 Sizes of M3 Heat Set Inserts with Sol...

300 Pcs M3 Threaded Inserts M3 X D5 X L4 Heat Set Inserts Brass 3D Printing Knur