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 UTVUse only Fast Boot II™ 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 tornA pneumatic boot installation tool designed for the quick installations of Fast Boot™ CV BootsThe tool utilizes air pressure to expand the Fast Boot™ for ''over-the-joint'' installationsRequires 75-100 psi air supply do not exceed 125 psiEU Note: requires 5,17-6,90 Bar air supply Do not exceed 8,62 Bar