uxcell a15121400ux0062 64mm Inner Diameter 13mm Square Drive 14 Flutes End Cap Style Oil Filter Wrench Tool Product name: cap oil filter wrench; material: metal Package content: 1 x cap oil filter wrench; Color: silver tone Socket size: 21mm/0.8"; outside diameter: 68mm/2.7" Inner diameter: 64mm/2.5"; total height: 45mm/1.8" Square drive size: 13mm/0.5"; flute quantities: 14