When replacing the rear main seal cover on specified vehicle applications, this must-have tool ensures the cover is properly aligned on the crankshaft to prevent damage and leaks. Made of steel, it's finished with zinc plating for durability. Product Features:Ideal solution - this must-have rear main seal cover installation tool ensures the cover is properly aligned on the crankshaftApplication specific - engineered for a proper repair on specified applicationsConvenient and valuable - helps ensure alignment to prevent damage and leaksDurable construction - machined from low-carbon steel, zinc-plated and clear-chromate-coated for durability