General description A cup style oil filter wrench specifically designed for use on Toyota models. Six additional fins help drive the wrench when removing or refitting the plastic oil filter housing. Technical specifications Size: 64.5mm x 14 flutes x 1/2"D with 21mm Hex Material: Steel Compatibility and accessories Applications: most Toyota models fitted with 1800cc and 2000cc engines, including Avensis, Corolla, and Prius Installation To be used with either a 1/2"D ratchet or a 21mm spanner Usage Designed to reduce the chance of damage to the housing while allowing it to withstand additional torque required for loosening stubborn or previously overtightened filters