Description: Lever Press down 66784 valve spring compressor consisted of two parts: a 6-inch steel leverage head and a 12-inch metal bar with a smooth rubber handle. These two parts are detachable, and designed to provide enough leverage pressure to compress the valve spring Function Pay for an efficient valve spring compressor tool, which means ensuring you finish your job faster while decreasing the risk of damaging parts. Ideal tool for those who want to speed up the valve spring replacement process One-hand Operation .