Features and Benefits:Double Ended Wrench Removes Vent Cap on Top of Davco Chassis Mounted Fuel Filter System Canisters.;High strength steel wrench provides 100% engagement on the vent cap to prevent damage and make removal and installation easier.;Newer Davco systems have a vent cap with large lobes and ratchets to prevent over tightening.;61070 Vent Cap Wrench for Davco Double Ended Wrench Removes Vent Cap on Top of Davco Chassis Mounted Fuel Filter System Canisters. 61070 High strength steel wrench provides 100% engagement on the vent cap to prevent damage and make removal and installation easier. Newer Davco systems have a vent cap with large lobes and ratchets to prevent over tightening.