Description Heat Set Insert Soldering Iron Tip Head M2 M2.5 M3 M5 M6 Hot Melt Insets Nut Brass Embedded Thread Insertion Kit For Plastic 3d Printing This Tips head for the screw which Inner diameter is 2/2.5/3/4/5/6mm. FOR most of frequently-used Heat melt nut in 3D printing parts working. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC220V Color:As Shown Material:Brass + Metal + Plastic Package Contents: 1 * adapter 6 * tips 1 * Electric soldering iron Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.