The CTA-2507 Bi-Directional Spider-Type Oil Filter Wrench is a must-have tool for any mechanic. This wrench is designed to fit most oil filters and is made from durable steel. It is also equipped with a bi-directional design that makes it easy to remove and replace oil filters. The CTA-2507 Bi-Directional Spider-Type Oil Filter Wrench is a must-have tool for any mechanic. This wrench is designed to fit most oil filters and is made from durable steel. It is also equipped with a bi-directional design that makes it easy to remove and replace oil filters.