• 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
• Metric set includes 7 mm key—commonly used on European vehicle brake calipers—but not found in most hex key sets
• Precision machined for ease of use and superior fit
Hex Diameter, mm : 4
Dimension B, mm : 26
Country Of Origin : USA
Dimension A, mm : 146