Tec-9 is a simple pistol that has been popular for some time among the players of Counter-Strike. The pistol has a detachable silencer which not only provides soundproofing, but also reduces recoil. It was painted with yellow spray paint with an image of Isaac from The Binding of Isaac as template. Exchange your Soul Gems for the Tec-9 Isaac. The Tec-9 is a pistol developed by Intratec as a cheaper alternative to the Glock family of pistols. It has been used in several high-profile shootings in the United States. Isaac is a fictional character from the comic book series The Walking Dead and the television series of the same name, portrayed by Dallas Roberts. Exchange your Soul Gems for this skin and leave your opponents behind with fear! The pistol is a powerful weapon in the right hands. It is characterized by a high rate of fire and ability to shoot accurately at long distances. This weapon will be a perfect addition to your CS:GO collection! Exchange Soul Gems for the Tec-9 | Isaac.