Made of anodized aluminum, the handle is thickened with threads, and the integrated design is more durable than other products on the market. Convenient integrated design, stronger and easier to use. The oil filter cutter allows you to cut through the old filter to identify potential issues before they damage the engine. Having the right oil changing tools is essential for proper vehicle maintenance, efficient operation, and extended service life. Application: The cutting range of the oil filter knife is 2-3/8 inch to 5 inches. Name: Adjustable oil filter cutting tool Precautions before use: 1. Tighten the screw at the bottom of the silver handle in the direction of the handle. 2. Loosen the hexagon screw on the red reverse side (if too tight, the product may not rotate properly, preventing forward or backward movement and adjustment of the cutting position). 3. Place the filter on the cutting tool and adjust to the desired cutting size. Color: Red Material: Aluminum alloy Package Contents: 1 x Adjustable oil filter cutting tool Note: The package includes only the items listed above. Other products are not included. Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement may vary by +/- 1-3 cm.