This is a Camoo 1/2 inch drive heavy-duty extended length extra-deep length impact socket set. The set includes 6 pieces of 6-point sockets in sizes 3/4", 7/8", 15/16", 1-1/16", 1-1/8", and 1-1/4". The sockets come with a storage case for easy organization and transportation. This set is designed for automotive use and is ideal for reaching deep-set bolts and nuts.