Features and Benefits:Compact Wrench Provides 100% Engagement on the Fuel Filter Bowl.;Compact design and 3/8" square drive for easier access to Paccar chassis mounted fuel filter assemblies.;Works on fuel filters found on Kenworth, Peterbilt and Cummins diesels.;High strength laser-cut steel for durability.;Compact Wrench Provides 100% Engagement on the Fuel Filter Bowl.Compact design and 3/8" square drive for easier access to Paccar chassis mounted fuel filter assemblies. High strength laser-cut steel for durability.Applications: The wrench removes and installs the bowl on newer Paccar chassis mounted fuel filter assemblies found on Kenworth, Peterbilt and Cummins diesels.