Super Strong, Forged Wrench Allows Easy Removal on All 65mm 14 Flute Toyota and Lexus Cartridge Oil Filters. On 6 and 8 cylinder engines, the wrench engages the ribs and flutes on the filter cap housing. It will also work on 1.8L, 2.5L and some 2.7L 4 cylinder engines by engaging the flutes. Forged steel with a bright chrome plated finish. Use with 3/8" square drive or 1-1/16" wrench.