Supercrazy Toyota Lexus Previa Crown Oil Filter Cap Cup Wrench 73mm 14 Flutes SF0179 Inner Diameter: 73mm/ 2.9 inches Socket Size: 13mm/ 1/2 inches Applicable: Lexus, Prevla, Crown, Vios, TOYOTA, BLUEBIRD Use 13mm / 1/2" square Size Socket and 1" hex drive. 73mm diameter with 14 flutes.