The Fast Boot/Quick-Shot combination provides the fastest, cleanest and most effortless method possible to replace CV boots on any major brand ATV or UTV. A pneumatic boot installation tool designed for the quick installations of Fast Boot™ CV Boots. The tool utilizes air pressure to expand the Fast Boot™ for "over-the-joint" installations. Requires 75-100 psi air supply; do not exceed 125 psi. Use only Fast Boot II™ (Part# 0213-0427 or 0213-0428) and Fast Boot X (Part# 0213-0656 or 0213-0657) with your Quick-Shot - OEM and other aftermarket CV boots may cause the steel legs of the tool to bend or CV boot may be torn..