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, wire mesh, and related accessories. Replacement Accessory: Ideal for expanding your selection of smoothing tips or replacing worn-out tips. A practical and essential accessory. Note: Product design, color, or appearance may vary slightly due to ongoing updates. Please consider this before placing your order if specific color or appearance is required. Color: As shown in photo Material: Metal Package Contents: 1 set of soldering iron tips Note: Other items pictured are not included. Color representation may vary slightly due to lighting conditions and screen settings. Measurement tolerance: ±1–3 cm.