AT249. Derringer RDA Clone - 5 in 1 Pacakge - POM 510 drip tip - Air flow adjustable, with AFC - Triple posts design - Posts material: Stainless steel + brass - 510 threading connection - Fixed brass 510 center screw - 22 mm diameter - Height without drip tip: 22.4mm Price: $13.00 Unit: Each Quantity: