Klein Tools 70540M Compact Folding Metric Hex Key Set, 8-Key

Klein Tools 70540M Compact Folding Metric Hex Key Set, 8-Key

The Klein Tools 70540M Compact Folding Hex Key Set brings eight metric hex key sizes together in one convenient, pocket-sized tool. Covering sizes from 1.5 mm to 8 mm, the set features heat-treated chrome vanadium steel keys with a corrosion-resistant black phosphate finish. The reinforced nylon handle provides a comfortable grip, while individual keys open up to 270 degrees for versatile positioning. Square-cut ends provide full-depth contact with compatible hex socket fasteners.

Best Used For

• Tightening and loosening metric hex socket fasteners
• Equipment assembly, adjustment, and maintenance
• Mechanical, workshop, and general repair applications
• Working with hex bolts in confined spaces
• Keeping eight metric key sizes organized in one folding tool

Key Features and Benefits

• Eight Metric Sizes: 1.5, 2, 2.5, 3, 4, 5, 6, and 8 mm.
• Compact Folding Design: Keeps all eight keys together for convenient pocket or toolbox storage.
• 270-Degree Opening: Individual high-leverage blades open independently for flexible positioning.
• Square-Cut Ends: Provide full-depth contact with compatible hex sockets to help prevent slipping and stripping.
• Adjustable Key Tension: A #2 Phillips fastener allows the user to adjust blade tightness.
• Heat-Treated CR-V Steel: Durable alloy steel construction with black phosphate finish for corrosion resistance.
• Reinforced Nylon Handle: Provides a sturdy, comfortable grip.
• Side-Entry Access: Handle openings allow convenient access to the outer keys.

What's Included

• One Klein Tools 70540M folding metric hex key set containing eight integrated keys

Safety: Always wear approved eye protection. This tool is not electrically insulated. Do not use to pry or chisel, and do not extend the handle length.