These Durafix rods are for low-temperature aluminum brazing or welding – think of it as a strong solder for aluminum. They're unbranded but do the job. You can get them in packs of 10 or 50 pieces (check the listing for which one you're getting). They work at a lower temperature than traditional TIG or MIG welding, which is great for repairs on thin aluminum, radiators, HVAC parts, pots and pans, or automotive components. The process usually involves cleaning the area, heating with a propane or MAP gas torch, and then applying the rod where it flows into the joint. It creates a bond that's much stronger than epoxy or glue. Perfect for DIY fixes around the house, garage, or workshop. No need for expensive welding equipment. Brand new in original packaging. No MPN listed. Great to have in your repair kit for those \oh no\ moments when aluminum breaks. Practice on some scrap first to get the technique down. Can save you from replacing entire aluminum parts. Useful for cyclists, mechanics, or anyone who tinkers with metal. Remember to use proper ventilation and safety gear. A versatile solution for joining aluminum without a full welder setup. Much easier than learning to TIG weld!