AT169-1. Tobeco Big Dripper V2 Rebuildable Dripping Tank Atomizer (S.S.) You can build on The Big Dripper just like a regular atty but it has a 5ml tank that sits on top. It also has an Auto Dripper or Push Activated Dripping function, so when you are ready to drip, you just press down on the drip tip and it will automatically drip a few drops of juice on the exact spot on your coil/wick. You no longer need to take the top cap off your atty and can now, literally Drip and Drive! - Compatible with 510 drip tip (drip tip sold separately) - 510 threading connector, adjustable copper center screw - Air flow control (2 air holes on the sleeve) - Conical internal top to enhance flavor - Tri-post design, for single/dual coil build - Posts material: Stainless steel - 21.9 mm diameter Price: $9.95 Unit: Each Quantity: