Practical This adjustable oil filter wrench is designed to remove filters without damaging the filter housing. Serrated design The special serrated design to hold the filter firmly makes it not easy for it to fall off. Fine workmanship Meticulous sanding makes the texture smoother and offers a comfortable operating feel. Adjustable The extended spring installs on the key, makes the movable rod easy to adjust. Operating range It is suitable for 60-80mm oil filters, it can be used with 1/2 "ratchet wrench or 22mm opening wrench.