【Premium CR-V Steel】Made from high-strength, heat treated Chrome Vanadium Steel, Chrome plated mirror finish for industrial, mechanic or construction work. 【Set Includes】14pcs 3/8" drive low profile stubby impact socket set:6,7,8,9,10,11,12,13,14,15,16,17,18,19mm;and 1pc 14"L*1"W storage rails. 【High-torque】Radius corner, 6-point design turns the flat sides of the fastener and provides maximum torque, while preventing the corners from damaging. 【Stubby Design】The length of the socket is less than 1 inch allows this socket set to be applied to hard to reach areas and limited space. 【Service Guarantee】 All MIXPOWER Tools meet or exceeds ANSI performance standards. It comes with 1 year quality warranty. "MIXPOWER 3/8"" Drive Low Profile Stubby Impact Socket Set ,which is made from high-strength, heat treated Chrome Vanadium Steel, Chrome plated mirror finish for industrial, mechanic or construction work.The bottom of the socket is designed for non-slip. This design makes it easier and safer for you to use.A design shorter than the standard length deserves this socket set can be applied to hard to reach area and confined space. All MIXPOWER Tools meet or exceed ANSI performance standards."