• Specially designed wrenches for removing and replacing the main filter collar as well as the vent cap on aftermarket diesel fuel filter systems
• 8" wrench with a unique half-moon design provide easier access to the fuel filter
• High strength steel prevents the wrench from flexing while loosening stubborn filter collars
• Four teeth grab the vent cap securely to prevent damage
• 8" wrench works Detroit Diesel DD13, DD15 and DD16 engines found in Paccar, Daimler Trucks North America, and Volvo