Features and Benefits:

• Set includes metric sizes up to 22 mm and fractional sizes up to 1 in. also included is a 3 in. extension, universal joint, and 1/4 in. hex to 3/8 in.
• Engineered specifically for use with impact tools, using the most up to date industrial specifications
• Made of high quality steel (chrome-molybdenum)
• Made to transfer the pressure from the thinnest part of the socket wall toward the thicker section, resulting in increased strength
• Set comes complete in a low profile blow molded storage case