UAU726-Metric Socket with Four Flat™ Sides

• Innovative Four Flat™ design with four parallel flat sides, which deter rolling and are wrench-compatible
• Socket sizes are stamped into the flats providing improved, easy-to-read visibility
• Optimized geometry to reduce bolt rounding and stripping

Specifications

• Drive Size: 3/8"
• Socket Size: 21 mm
• No. of Points: 6
• Type: Hand/Standard
• Length: Standard

Additional Specifications

• Finish: Chrome
• Manufacturer's Warranty: Lifetime Guarantee