General description Comprehensive set of oil filter cap wrenches covering a range of vehicle applications. Designed for the removal and installation of oil filters, this 19-piece set includes sizes in both 1/2" Sq and 3/8" Sq drive, featuring claw type oil filter wrenches (55-90mm) and an adaptor (3/8" (F) x 1/2" (M)). Crowned tops provide extra leverage points for removing stubborn oil filter housing caps, while the aluminium alloy material minimizes the risk of damage to the filter housing. The set is supplied in a convenient storage case for easy organization.