Welding Accessories -20x Contact Tips Holders for 15AK Nozzles Welding Tools for MIG/MAG Welder Kit Highlights generic brand 20x Contact Tips Holders for 15AK Nozzles Welding Tools for MIG/MAG Welder Kit description: Made of high quality brass and copper with stable performance. Convenient to replace the broken one. Solid copper conductor path with fewer connections. Optimized electrical surface contact. Optimized yarn feed capacity with centered liner. Fewer consumables to replace - lower cost of ownership. Easy to change velocity tips - no threading, no tools required. Specification: Material: Metal Color: Copper Size Chart: Diameter: 0.8mm/0.03inch. Thread: M6 Package includes: Gas welding gun nozzle, 20 pieces