Description: 【6 Types of Brass Hot Melt Inset Nuts】: a variety of Hot Melt Thread Insert Nut, which can realize the embedding of various M2 (M2.5 to share), M3, M4, M5, M6 (1/4”), M8 hot melt nuts 【Compatible】Compatible for standard 936 universal soldering iron tips, convenient and practical, 3D printer accessories 【Detachable】Knurl Thread Insert Nuts, hand tightened knurled joint, you can disassemble the head joint at any time in the cooling state to replace different types of threaded indenters 【Brass Material】: Brass material, good heat conduction, end face contact, prevents the nut from skewing, and is convenient and quick to insert the nut into the plastic part 【Easy to Use】 After the indenter is pressed in, it is embedded in a short distance to avoid the plastic parts, the head is not easy to damage the plastic parts, and can be inserted into the plastic parts to a certain depth Specification: Material : Brass Size Chart: 3.5cmx3.5cmx2cm/1.38inchx1.38inchx0.79inch Package Includes: 1 Brass Connector 6 Brass Hot Melt Inset Nuts Note: Please allow slightly errors due to manual measurement and different monitors.