This 12-pc. 3/8in. drive SAE universal standard impact socket set is made with chromium molybdenum alloy steel for strength and features a 12-point design for less fastener wear.
From the Manufacturer
This Sunex 3/8 inch drive 12 point 12 SAE universal socket set includes the most common sizes used for automotive repair. It includes 12 SAE sockets. 12 point sockets offer double the starting points as 6 point sockets. It is made of CR-MO alloy steel for long life. It is fully guaranteed and includes a heavy duty blow molded storage case.