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. Compatible with common plastic welding tools on the market (not compatible with welding guns featuring dual brass tubes). Refer to the fifth image for installation instructions. Wide Application: Designed to generate high heat for rapid plastic melting. Suitable for repairing and smoothing plastic bumpers, casings, brackets, and similar components. Optimal results when used with plastic welding rods and wire mesh. Replacement Accessory: Ideal for expanding your selection of smoothing tips or replacing worn-out tips. A practical and essential accessory. Note: Product design and appearance may be updated periodically. Slight variations in color or appearance may occur. Please review images carefully before ordering if exact color or appearance is critical. Color: As shown in photo Material: Metal Package Contents: 1x set of soldering iron tips Note: Light reflection and display settings may cause slight color differences between the image and the actual product. Measurement tolerance: ±1–3 cm.