What You Get: 4PCS Plastic Welding Replacement Tips, including 1x16mm small triangular tip, 1x20mm large triangular tip, 1x20mm large triangular tip (with hole), and 1x iron tip. Compatibility: Mounting rod diameter is 0.22 inch / 5.6 mm. Suitable for common plastic welding tools on the market (not suitable for welding guns with double brass tubes). Refer to the installation method shown in the product images. Wide Application: The tips generate high heat to melt plastic quickly. Ideal for repairing and smoothing plastic bumpers, casings, brackets, and similar components. Best results when used with plastic welding rods and wire mesh. Replacement Accessory: Designed to expand your selection of smoothing tips or replace worn-out ones. A practical and essential accessory. Note: Product design, color, or appearance may vary slightly due to ongoing updates. Images are for reference only. Actual product may differ slightly in color or appearance. Material: Metal Package Contents: 1x Set of soldering iron tips Note: Color variations may occur due to lighting conditions and screen settings. Measurement tolerance is ±1–3 cm.