This Pittsburgh Automotive 5-1/8" socket is designed to fit standard spark plugs and features an extended reach for hard-to-reach areas. The socket is made in Taiwan and comes as a single item, with no warranty included. The socket is designed for use with 3/8" drive size and is part of the Pittsburgh Automotive line of hand tools. This product is ideal for automotive repairs and is a must-have for anyone who works with spark plugs. Buy this reliable tool today and make your job easier!