Set contains all standard length 12 point sockets in fractional sizes; plus a 24 tooth quick release ratchet and two extensions. Fractional sizes 3/8" to 1-1/2". Molded Storage Case. 19 Sockets Fractional Standard Length Sizes: 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1-1/16", 1-1/8", 1-3/16", 1-1/4", 1-5/16", 1-3/8", 1-7/16", 1-1/2"