• Allows for quick removal and installation when servicing your fan clutch or water pump
• Your pneumatic air hammer provides the striking force for this tool, so no holding tool is required
• Set includes 7 of the following size wrenches 7/8, 1-7/8, and 2 in., also 32, 36, 40, and 47 mm
• Wrenches are made of #45 steel and the driver is made of Q235B steel
(California Prop 65)