12-Point Water Sensor Wrench for 2012+ 6.6L Diesel Engines, Fuel Filter Tool (Black) Style: 12-point black About this item Fitment: This 12-point oil filter wrench is designed to remove and install the water sensor located on the fuel filter on 2012, newer 6.6L Duramax Diesel engines. Easy To Use: The ergonomic handle of this small water filter wrench helps you remove and install the water sensor easily. Protect the Wrench Nut: This water filter wrench prevents damage to your sensor water filter, as using the wrong tool can easily damage the plastic sensor nut. It's a fuel protective tool. Super Durable: This 12-point steel oil filter wrench is made from super durable chrome vanadium steel that ensures long-lasting performance. Dimensions: 8.82 x 4.06 x 0.71 inches.