Easy to
Use: the heat insert nut adapter by threaded installation design easy to change different head model, no need to take off the soldering iron whole tip, just screw off the tip head then install the new model head
M2-M8 Threaded Inserts Nut compatible: Comes with M2/ 2.5, M3, M4, M5, M6, M8 threaded Inserts heat set insert tip head for the brass knurled threaded insert nuts compatible with a wide range of 3D printed materials and suitable for various applications requiring threaded inserts