Precise design: a traditional design with a very heavy chain. Perfect for when you need access to hard to reach places. The oil filter chain wrench allows for a ratchet action that allows for regripping without removing from the filter. and small: the oil filter chain wrench is compact, so you can carry it easily and not take up much space. and small, easy to store and use. A must have for any car : the oil filter wrench is suitable for daily maintenance of all types of vehicles and perfect for removing difficult filters with confined engine compartments. High quality: the oil filter wrench is made of high quality steel material, sturdy and to use. Use: Easy to use, just place the chain around the filter to be removed, and turn the hexagonal rod counterclockwise to grab and unscrew the filter. Can be used with a 17mm wrench or a 1/2inch ratchet/rod etc., Manufacturer: Akfldms