General description Allows you to remove the oil filter from cars, vans, and other vehicles without damaging it. The adjustable square oil filter wrench features an extension spring design that enables quick and easy removal and installation of oil filters. Technical specifications Adjustable size: 80 mm to 105 mm Drive size: 1/2 inch (12.5 x 12.5 mm) square Usage Designed to hold up to half the filter for a better grip Reduces the risk of slipping or damaging the filter, especially for stubborn filters