Description:This 64.5mm 14 flute oil filter wrench is made of aluminum alloy, which will provide maximum torque with multiple contact points and won’t break or damage fragile plastic filter cartridges.The surface is treated with a silver tone anodized finish to prevent rust, which makes the wrench for long service time.There are 4 slots on the bottom edge, which will match with the oil filter cover and prevent slippage when you unscrew the oil filter housing with tremendous strength by the 3/8 inch drive.This is a non-OEM product, accessory only!Specification:Number of flutes: 14Number of grooves：4 SlotsMaterial: Aluminum AlloySquare Drive Size: 3/8″Hex Drive Socket Size: 27mm / 1-1/16″Inner Diameter 1: 64.5mm / 2.54″Inner Diameter 2: 80mm / 3.15″Size: 47x89mm / 1.85″x3.