Features and Benefits: Made of high quality alloy steel (chrome-molybdenum); Tested to the highest specifications to deliver outstanding performance at the competitive cost; Sockets are included in a molded storage case; Lifetime Warranty; They are engineered specifically for use with impact tools using the most up to date industrial specifications.; Contains 12-Point Sizes: 3/4″, 13/16″, 7/8″, 15/16″, 1″, 1-1/16″, 1-1/8″, 1-1/4″, 1-3/8″, 1-1/2″, 1-5/8″, 1-3/4″, 1-7/8″ in a molded storage case..