100% Flame Tested in the USA for Great PerformanceCopper Shells Machined from Solid Bar Stock(Not Tubing)Last up to 3 Times LongerExtra Heavy Duty Shell Tip takes More AbuseLarger diameter decreases preheat time and maintains the cut on painted or rusty surfacesCourse "V" Splines allow better flow of gas, resist clogs and are easier to clean
Flame Tech Scorpion Tip.
Brand: Flame Technologies, Model: AZ-6290-2, Size: Cutting Tip Acetylene size 2