• Box ends are deeply offset at 60° for improved access to recessed fasteners
• Flank Drive® wrenching system on box end provides up to 15-20% more turning power with less risk of tool or fastener damage
• Manufactured from special alloy steel, precision forged and heat treated for optimum strength and durability
• Sized for optimum comfort and balance
• Includes 10-11 mm, 12-14 mm, 13-15 mm, 16-18 mm and 17-19 mm in a storage tray

ASME® | B107.100 |
Country Of Origin | USA |
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