Pit Posse PP2821 Motorcycle Tool Air Mixture Carburetor Pilot Screw Adjusting Tool 90 Degree This tool makes those hard to reach carburetor adjustments easy and safe Aluminum handle includes index marks for accurate tuning Complete with most all common heads needed, but any  or 6mm hex bits will fit Gear driven with a  hex head Includes strait slot, Phillips, D shaped pilot bit, 6mm hex jet bit and  drive bit