This tool holder was designed to turn the portable, battery operated Ingersoll – Rand QX pistol DC driver into a Vertical Inline Assembly Station. Handle and Comfort Trigger spin 360 degrees for improved ergonomics. This can only be used on EL815, EL315, 1015, and 1025 models due to the weight of this holder, the QX tool, and battery. Works with QXC, QXX and QXN models. We also offer a customized 2-axis Tilt version of this holder for angles off Vertical.