Description: Material: Crafted from chrome vanadium steel, this oil filter wrench is designed to withstand heavy duty use, ensuring long term performancePowerful Double Chain Design: Featuring double chain mechanism, this wrench provides exceptional and grip, making it suitable for a wide range of applicationsAdjustable : The adjustable design allows for versatile use with various filter sizes, added compatibilityEnhanced Surface Finish: The surface is treated with a coating and process to enhance grip and prevent slippage during operationPortable: Heavy duty chain wrenchis small and lightweight, you can take it with you anywhere, which provides you with more convenience Specification: Material:Chrome Vanadium Steel Size Chart: Diameter: 12cm/4.72inchInternal Square Hole:1.25cm/0.49inch Package Includes: 1 Chain Wrench Note: Please allow slightly errors due to manual measurement and different packages.