25 Pc. 1/2" Drive 6 Point Standard Impact Metric Socket Set Made From Chrome Molybdenum Alloy Steel (Cr-Mo) for Exceptional Strength and Durability. Off-Corner Loading Design for Reduced Fastener Rounding. Manganese Phosphate Coating for Corrosion Resistance. Parallel Neck Down Design On 8, 9, 10, 11, 12, 13 and 14mm Sizes for Improved Access to Restricted Fasteners. High-Visibility Etched Markings for Quick Size Identification. Secondary Hard Stamping. Includes Blow Mold Case With Reinforced Steel Hinges and Steel Buckles for Strength and Security 84933N No -