Kit includes 40 Standard and Deep Metric and SAE Sockets and 3 Accessories. The following sizes are included in Standard and Deep: 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, and (1) 3" Extension, (1) Universal Joint, and (1) 3/8" Adapter