Made of anodized aluminum blank, the handle is thickened with threads, and the integrated design is more than other products on the market. Convenient integrated design, stronger and easier to use. To protect your engine, the oil filter cutter allows you to cut through the old filter, so as to find the problem before it damages the engine. It is very important to have the right oil changing tools to properly maintain your vehicle and its efficient operation and service life. Application: The cutting range of oil filter knife is 2-3/8 inch. - 5inch. 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 (too tight hexagon screw will cause the product to be unable to rotate, so that it cannot move forward or backward, and change the size of the cutting position). 3. Finally, put the filter on the cutting machine and adjust the size you need to cut. Colour:red Material:Aluminum alloy Package Contents: 1 x Adjustable oil filter cutting tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.