Changing those hard-to-reach oil filters in tight spaces can be the worst part of an oil change. Powerbuilt 3 Jaw Auto-Adjusting Magnetic Oil Filter Wrench is designed to help you easily and quickly remove those frustrating oil filters. Manufactured from heat-treated carbon steel, the spider oil filter wrench is solid and durable for long tool life. The three spring adjusted anti-slip arms give you a firm grip on filters from 2 3/8 inches to 3 5/8 inches. Attach an extension bar to a 3/8 inch drive ratchet to the oil filter wrench and turn to break the filter-free and remove.