Roughneck V2 atomizer features: Black constructionRemovable wide bore drip tip (10.7mm bore diameter)Adjustable airflow control (2 air slits on the sleeve)Tri-post design for single or dual coil buildDeep juice well (approx. 6.3mm depth)Stainless steel constructionThread size: M22x0.5mmSolid copper center pin24mm overall diameterThe rig pig mod features: Brass construction510 threading connectionSpring loaded fire buttonHouses dual 18650 batteries (battery sold separately)