Twist Slim Pen 2.0 - 320 mAh Flex Temp Battery - Ultra Purple OLW_26 This is NOT a 510

This is NOT a 510 thread attachment

Conduction heat is used to keep the sides of the chamber a consistent temperature

the strap has a clip at the bottom to attach it to either side of the bag

You MUST use the included Ooze Smart USB Charger or else the warranty is void

Twist Slim Pen 2.0 - 320 mAh Flex Temp Battery - Ultra Purple OLW_26 This is NOT a 510What it is: The best selling Ooze pen of all time! This is the 510 battery that comes to mind when you think of an Ooze pen. Why we love it: Its reliable, compatible with ALL 510 cartridges, has a twist dial for voltage control, and comes in tons of colors. The Twist Slim Pen 2. 0 is the revamped, upgraded version of our original Twist Slim Pen. We gave it a more streamlined silhouette by removing the chrome collar at the top, lowered the voltage