1) Various connectors. A variety of dressing tool heads can be quickly switched, and a dressing head with a suitable shape can be and installed according to needs; 2) Female and female head design, hand-twist knurled joint, the head joint can be disassembled at any time in the cooling state. That is, different types of thread dressing tool heads can be replaced 3) Brass material, good heat conduction, end-face contact, prevents the nut from skewing, and can effectively the safety and stability of its trimming. Name: hot melt trimming tool head Scope of application: the trimming tool head can be applied to the trimming of 3D printing products printed on ABS, PLA, nylon, rubber, polystyrene, ABS and other materials (such as: deburring, cutting, sculpting, punching, etc.); it can also be commonly used for engraving other hot-melt and hot crafts such as wood carvings, etc. Processing technology and Color: CNC precision turning, brass natural color Color: Gold Material: Brass Package Contents: 9 * Heat Insertion Tool 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.