A self-adjusting three arm filter wrench that can remove all types of oil filters from 63.5 to 101mm diameter. Provided with 1/2""D, 3/8""D and 21mm hex head adjustment options for use with a wide range of accessories including power bars, ratchets and spanners. The wrench has wide, curved hardened black steel jaws for a strong grip, even on oily surfaces. Three arm filter wrench, fits all filters between 63.5 - 101mm diameter. 1/2"" to 3/8"" adaptor included. For use with a ratchet, power or extension bar. Can also be tightened using a 21mm socket or spanner Removes and tightens (turns clockwise and anti-clockwise). Legs manufactured from hardened Chrome Steel. (Inside leg measurement 28mm). Other three arm filter wrenches also available. Please see Part No. 2075 (65-120mm diameters) & 7888 (spring loaded).