A pen press enables quick assembly with minimal effort. It prevents the misalignment common to other methods by applying pressure directly along the center axis of the components. Its length is adjustable for use with any kit, eliminating guesswork when assembling multiples of the same kit by allowing you to preset the distance the transmission will be inserted into the barrel.
The 12" handle supplies plenty of leverage. The sturdy aluminum and steel hardware is mounted to a rubber-footed hardwood base.