• Solid Silver with ultem tip 
• Improved Air Flow Control for better performance. 
• Specs and main feature:  98gm solid silver(92.5%)
• 510 soft silver fine tread
• Positive pin 3mm diameter tread w/1.2 protusion on the 510 -
• Pole thread :3mm -
• Modified w/stainless allen set for longer durability -
• Pole 6mm diameter
• Air flow control

Mechanical mods and rebuildable atomizers are for advanced users only - users with extensive knowledge on battery safety, coil builds, Ohm's Law and more.