OUMIER WHITEBONE RTA 1.Size:23x45mm 2.Capacity:2.5ML 3.Material:316SS 4.Inner pyrex cap fit for 14mm diameter wire,suitable for most common wire!SS inner cap fit for 18mm diameter,suitable for most clapton wire,with small gauge 5.Inner pyrex cap use USA imported food grade heat-resistant glue 6.inner pyrex cap and ss cap avilable 7.Two different caps both have juice splash prevention design 8.Clear 510 glass DT 9.Isolated juice control system(Tick sound) 10.Gold plated positive post 11.AFC functionOUMIER