Various connectors. A variety of dressing tool heads can be quickly swapped, and a dressing head with a suitable shape can be selected and installed as needed. Compatible with TS100 soldering iron tips. Female-to-female head design with hand-twist knurled joint; the head joint can be disassembled at any time when cooled. Different threaded dressing tool heads can be replaced. Made of brass for efficient heat conduction. End-face contact prevents nut skewing and ensures safe, stable trimming. Slight color variation may occur due to lighting or screen differences; this does not affect functionality. Application: Interchangeable with TS100 soldering iron tips. Suitable for trimming 3D printed parts made from ABS, PLA, nylon, rubber, polystyrene, and similar materials (e.g., deburring, cutting, sculpting, punching). Also suitable for engraving other heat-sensitive materials such as wood. Manufacturing process and finish: CNC precision turning; natural brass color. Color: As shown. Material: Brass. Package includes: 1 × Soldering Iron Tip Tool 7 × Nut Insertion Tools Note: Other items pictured are not included. Slight dimensional variance of ±1–3 cm may occur.