Part number: Replacement oil filter cutter 52-77750, reference 1503466979. Please verify the part number of your item before purchase. - Compact and portable: The oil filter cutter tool features a robust, integrated design that is compact and easy to carry. It provides the essential capability needed for a successful oil change. - Practical tool: Use this tool to open your old oil filter, helping to identify potential engine issues early, support proper vehicle maintenance, and keep the engine running efficiently. - Application and compatibility: High-performance oil filter cutter tool professionally designed for 2-3/8 inch oil filters, with a size range from 6.03 cm to 12.07 cm, covering most common filter sizes. - Use scenarios: DIY oil changes in a home garage for vehicles with 2-3/8 inch filters; professional shop service for cars and light trucks; fleet maintenance or routine service where open/inspect of oil filters is beneficial.