The Craftsman USA 8 Piece 12 Point 1/2” Socket / Wrench Set is a high-quality hand tool set designed for automotive use. Made in the United States, this set includes a free spark plug socket for added convenience. With a durable construction and reliable brand reputation, this socket/wrench set is a valuable addition to any mechanic or DIY enthusiast’s tool collection. 1”, 7/8”, 3/4”, 11/16”, 5/8”, 9/16”, 1/2”. Spark plug 13/16”