The All New 20700/21700 28mm MADHATTAN Competition Mod Features:
510 Top Cap (Non Hybrid)
Top 510 Delrin Insulator
Top Copper Contacts
Bottom Copper Contacts
Rare earth magnet button design
28mm Diameter
Requires 1x20700 or 1x21700 (Not supplied)
Bottom brass Firing Button
Available in Aluminum, Brass, or Copper
 
Whats in the box:
1x Madhattan Mod (of your chosen material)
 
Please note this is a mechanical mod. A great understanding of Ohm's law and battery safety is needed. If you do not have a great understanding of either of those please do not purchase this product.