Specifications:
30mm 464 Naval Brass with the new 25mm “half thread” (improved top hat)
110 copper star pin
18650 & 20700 compatible
Vents holes top and bottom
Locking button
2 Rare earth magnets
 
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.