Qrity 100 Pcs Brass Insert, Threaded Inserts Brass Knurled Nuts, Female Thread Inserts, Knurled Insert Nuts for 3D Printing Plastic, M4 x 4mm x 6mm

描述

Qrity 100 Pcs Brass Insert, Threaded Inserts Brass Knurled Nuts, Female Thread Inserts, Knurled Insert Nuts for 3D Printing Plastic, M4 x 4mm x 6mm