Complete Five-Tip Assortment: Includes all five of Polyvance's airless plastic welding tips that are made in the USA and lead-free for ROHS (Restrictions on Hazardous Substances) compliance, unlike other market tips that contain lead making them dangerous and easy to bend Organized Labeled Carrying Case: The labeled carrying case helps you identify any welding tips that you might be missing making it easy to order just the tip that you need Compatible with Mini-Weld Models: Fits Polyvance's Mini-Weld Airless Plastic Welders Model 3 and up Airless Design Advantage: The airless design eliminates the need for external air sources, streamlining the welding process and making it more convenient for various plastic welding applications Versatile Application Range: The variety of welding tips caters to different plastic welding needs, allowing users to tackle various projects with precision and efficiency across diverse repair work scenarios, Weight: 0.23 pounds, Manufacturer: Polyvance