Klein Tools Pro Folding Hex Key Set 10-Piece Metric 1.5-12mm with Extended Reach Blades

Klein Tools Pro Folding Hex Key Set 10-Piece Metric 1.5-12mm with Extended Reach Blades

Professional-grade folding hex key set with extended reach and reinforced construction

The Klein Tools Pro Folding Hex Key Set delivers professional performance with 10 metric-sized keys ranging from 1.5mm to 12mm. Featuring heat-treated CR-V steel construction with black phosphate coating and a reinforced nylon handle, this folding set provides reliable fastening solutions for secure hex bolt applications. Extended-reach blades measuring 3.5" to 4.5" long offer superior access in tight spaces while maintaining the compact folding design professionals demand.

Professional Features & Benefits

• 10 Metric Key Sizes (1.5-12mm): Complete range covers most common metric hex fasteners for versatile professional applications
• Extended Reach Blades (3.5"-4.5"): Longer blade length provides better access to recessed fasteners and tight spaces
• Heat-Treated CR-V Steel Construction: Industrial-strength alloy steel delivers maximum durability and resistance to wear under heavy use
• Black Phosphate Coating: Corrosion-resistant finish prevents rust and extends tool life in demanding environments
• Reinforced Nylon Handle: Sturdy, comfortable grip design withstands professional use while providing secure control
• 270-Degree Independent Opening: High-leverage blade positioning allows optimal working angles and maximum torque application
• Square-Cut Hex Ends: Precision-cut ends ensure full-depth socket contact to prevent slippage and fastener stripping

Technical Specifications

• Application: Secure Hex Bolt Fastening
• Country Of Origin: Vietnam
• Depth: 6.6300 in
• End: Flat
• Handle Length: 6.63" (16.9 cm)
• Handle Type: Reinforced Nylon
• Included: (10) Metric-Sized Keys
• Key Lengths: 3.5" to 4.5" (8.9 to11.4 cm)
• Measurement Standard: Metric
• Number Of Pieces: 1
• Overall Height: 2.15" (6.4 cm)
• Overall Length: 6.6" (16.8 cm)
• Overall Width: 1.36" (3.5 cm)
• Product Color: Orange
• Product Finish: Black Phosphate
• Product Height: 1.3700 in
• Product Material: CR-V Steel
• Product Size: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, and 12mm
• Product Type: Folding Set
• Product Weight: 1.0100 lbs
• Product Width: 2.1000 in

Installation & Operation

1. Select the appropriate metric hex key size for your fastener application from the 10 available sizes.
2. Open the desired key independently up to 270 degrees for optimal working angle and leverage.
3. Insert the square-cut hex end fully into the fastener socket for maximum contact and secure engagement.
4. Apply steady torque while maintaining proper alignment to prevent slippage and fastener damage.
5. Adjust key tightness or looseness as needed using the convenient #2 Phillips fastener on the handle.
6. Fold keys back into the reinforced nylon handle for compact storage and transport between jobs.

Professional Applications

• Automotive Maintenance and Repair
• Mechanical Assembly and Service
• Industrial Equipment Maintenance
• Electronics and Precision Instrument Work
• HVAC System Installation and Service
• General Construction and Building Trades
• Machinery and Equipment Assembly

Why Choose Klein Tools Quality?

Klein Tools delivers professional-grade reliability with heat-treated CR-V steel construction and black phosphate coating for long-lasting performance. The reinforced nylon handle and precision square-cut ends demonstrate Klein Tools' commitment to durability and functionality that professionals trust for secure hex bolt fastening applications.