Features & Specifications: -Size: 24 x 40mm -Material: Stainless steel + glass + PC -4 Airflow Inserts ID: 4.5mm, 4.0mm, 3.5mm, 3.0mm -Deck: Single Coil Deck -Capacity: 3.5ml -Drip Tip: 810 -Thread: 510 -24mm diameter with 3.5ml capacity -4 interchangeable air inlets -Single coil building -810 drip tip with 510 adapter -Easy top refill The Box Includes: 1 x Kree 24 RTA 1 x 5.5ml Tube 1 x 510 Adapter 4 x Airflow Inserts 1 x Screw Driver & O-rings Bag