Outer Diameter – 25mm Thickness – 3mm Edge – Bevel 90° Frosted Joint Butane Torch Recommended The design of this is sturdy what makes it perfect for a stronger and smoother hit. Get the deal as we are offering the considerable price difference we offer in comparison to other single weld units on the market. This banger also has the feature of 2pcs Tourbillon/ Spinning Holes that gives you the time to enjoy long hauls. It has been made with a bucket thickness of 3mm, a bucket OD 25mm, and a bucket height of 42mm. It is recommended to use the butane torch with all our equipment rather than propane to guarantee being set for the long haul.