Ktehloy 150Pcs M3 Threaded Inserts, M3 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert for Plastic and 3D Printing Components (M3x4x5, M3x6x5)

Ktehloy 150Pcs M3 Threaded Inserts, M3 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert for Plastic and 3D Printing Components (M3x4x5, M3x6x5)