Specifications: 2ml Capacity 316 Stainless Steel PEEK Insulators Ultem or PC tank Ultem or PC Tip 22mm Diameter 24mm Tall (Not including 510 fitting or tip) Airflow inserts included: 0.8, 1.0, 1.5, 2.0, 2.5 & 3.0mm (1.2 mm inserts are availa...