Features and Benefits:

• Set Includes: 5 mm, 5.5 mm, 6 mm, 7 mm, 8 mm, 9mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm and 15 mm
• Forged from the finest chrome-molybdenum alloy steel, the best choice for strength
• Sockets are black oxide finish and has etchings for identification
• Included in a heavy-duty blow mold case

This is a magnetic impact socket set with12 pieces. Sockets are 1/4 in. drive. Sockets are magnetized to eliminate lost fasteners.