Length: 69mm
Diameter: 18.0mm
Weight: 48g
Capacity: 2.5ml
Resistance: 2.2ohm-2.6ohm 

1. Stronger base
2. Glass can be replace
3. Coils are work with Protank-1 and Mini-protank
4. Glue-free
5. Protank-2 was made by Copper inside and outside chrome plated steel