If you find your mods getting too hot because of the heat from your atomizers， then this 510 Heatsink Adaptor should keep it under controlIt features a copper pin to minimize voltage drop off and it is adjustable so everything should sit flush and look great!Bottom line， this 510 Heatsink Adaptor is a great looking way to keep your batteries cool!Model name: Heatsink V2Diameter of Heatsink: 22mmHeatsink Features: heat dissipationThread: 510 threadColor: black ， yellow ， silver， rainbow