Engineered with Protanium high-torque steel, these Bondhus hex keys provide up to 20% more strength and superior wear resistance. The chamfered tips ensure faster insertion and full engagement to prevent screw stripping, while the ProGuard finish offers industry-leading corrosion protection.

• Comprehensive 15-piece set includes metric sizes: 1.27, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6, 7, 8, 9, and 10mm
• Chamfered tool tips eliminate burrs and ensure the tool seats fully within the screw head to prevent stripping
• Constructed from Protanium high-torque steel for 20% more strength and twice the wear resistance of standard steel
• ProGuard finish provides superior corrosion protection, performing 5 times more effectively than leading competitors
• Long arm design provides extra leverage for high-torque applications
• Precision-machined close clearances reduce wear on fastener heads
• Backed by a lifetime warranty for professional-grade reliability