Klein Tools 70550 Hex Wrench Key Set | 11 SAE Folding Hex Keys with Extended Reach

Overview

The Klein Tools 70550 Hex Wrench Key Set is built for demanding tasks in professional shops and on the go. This folding design pairs 11 extended reach hex blades with a rugged reinforced nylon handle, delivering dependable leverage and precise fit where space is tight.

What makes it unique

Each blade is heat treated for durability. An outer body feature places a #2 Phillips fastener for effortless tension adjustment, helping you maintain control as you work across different fastener types.

• 11 blade sizes: 1/2, 3/8, 5/16, 1/4, 7/32, 3/16, 5/32, 9/64, 1/8, 7/64, and 3/32 inch
• 4 inch extended reach blades for hard to access fasteners
• Independent opening up to 270 degrees for flexible access
• Square-cut hex ends maximize socket contact and reduce slippage

Design and durability

Blades are made from tough heat treated alloy steel while the reinforced nylon handle provides a firm but comfortable grip. Blade lengths range from roughly 3.5 to 4.5 inches, balancing reach and control for everyday tasks.

• Color coded handles and blades for quick size recognition red for inch blue for mm green for Torx
• Pro folding design keeps the set compact when not in use
• Built to endure daily professional use with a heritage of quality

Practical benefits

While not a guarantee, the combination of extended reach, secure fit, and a practical color system can help speed up hex key tasks in assembly, maintenance, and repair workflows. The Klein Tools name reflects six generations of American craft and a commitment to durable, professional-grade hand tools.

Whether you are assembling furniture, servicing equipment, or performing quick on site adjustments, this folding hex key set offers a portable solution that travels well between job sites and workshops. It is designed to be a dependable companion for professionals who value reliability and thoughtful engineering.