Features: Engineered from sturdy metallic to be hard-wearing Automatically Adjusts and Tightens As you apply the Torque Works with 3/8 inch square driver ratchet or your 3/4 inch wrench Specification: Material: Alloy Removes oil filters ranging in length from 2 to 4 inches (62-102mm ) Socket Size: half "(12) or 3/8" (9) Use with a half "or 3/8" Square Drive Tool Weight: 380g package: 1 x Oil Filter Wrench Tool