Twist Socket 3/8in Nut Extractors set of 13

• Rescue set for damaged and rounded nuts
• 42 CR-MO chromium-molybdenum steel for high strength, durability and corrosion resistance
• Impact rated
• 3/8" drive fitting
• Combination of Metric and Imperial sizes
• Tough ABS storage case
• set contains 1/4, 8mm(5/16"), 3/8, 11mm(7/16"), 12mm, 1/2, 13mm, 14mm(9/16"), 16mm(5/8"), 17mm, (11/16") and 19mm(3/4")