• ProGuard™ finish offers up to 5x more corrosion resistance than competitor finishes
• Tools are made of Protanium® High-Torque Steel, which is 20% stronger than standard grades of steel
• Keys are up to 30% longer than standard-length keys to reach the most difficult locations
• Precision machined for ease of use and superior fit
Dimension A, inches : 5.4
Country Of Origin : USA
Dimension B, inches : 1.1
Hex Diameter Size, inches : 3/16