• Works on most ISX Cummins, Paccar, Peterbilt, Kenworth, Freightliner and many other Class 8 truck radiators
• The wrench is double ended to work on 3 and 4 slot radiator caps
• The tool is designed with multiple cap slots for use in tight spaces
• Can be used to loosen caps on radiators and reservoirs
• A 3/8" square drive in the center of wrench can be used with a breaker bar for stubborn caps
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