TWE1550-1100 Features: -Use genuine Tweco Accessories, Parts, and Consumables to protect the quality of your welds and the life of your gun!. -UNSPC CODE: 23171500. -MIG Gun Consumables MIG Gun Consumables welding support equipment guns consumable liner liners conduit contact tip tips nozzle nozzles gas diffuser. -55 GAS DIFFUSER. Generic Dimensions: -Height: 1.38. Dimensions: Overall Length - Top to Bottom: -1.38.