Material: Steel Adjustable diameter range: 5.31 inches to 7.17 inches What will you get in the box? -1 x universal fuel pump disassembly tool Our product advantages: -Made of high-quality materials, wear-resistant and durable, sturdy and not easily damaged -Adjustable diameter, suitable for different oil pump locking rings -Helps to quickly and effectively remove the fuel pump locking ring without damaging the oil pump ring -Using this tool to remove and reinstall the fuel pump locking ring will make life easier