The bolt is a tried and true 3.7v tube mod. They have been out for years and have a good track record. Normally around $35-$50.00 - this deal is a STEAL. I own a few bolts and they have never let me down. Great starter or additional mod.
THE HARD COPY:
A new mod at MadVapes. This has a similar look and feel as a RoughStack except that it has a side mounted horn switch. It is made of aircraft grade aluminum and polished to give it a great finished look. It is designed to hold an 18500 3.7 volt button top battery. The Bolt is just shy of a 1" diameter and has a length of about 3 3/4".
USE COUPON CODE lovetovape5 TO BRING THE TOTAL TO $15.19