1. Compatible with embedded melt nuts in sizes M2, M3, M5, M6 (1/4 inch), and M8. 2. Compatible with standard 936 universal soldering iron tip. 3. Features male and female threaded heads; knurled joints allow hand-tightening, and the head can be disassembled when cooled to swap different threaded tips. 4. Made of brass for efficient heat conduction; flat end contact prevents nut misalignment and enables quick, precise embedding into plastic parts. 5. The indenter presses in only a short distance to avoid damaging the plastic part, allowing controlled insertion depth without damaging the workpiece. Plug Type: EU Plug Voltage: AC 220 V Color: As shown Material: Plastic + Copper Package Contents: 1 × Soldering Iron 1 × Connector 6 × Pressing Heads Note: Color may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 cm.