Klein Tools' Pro Folding Hex Key line features a highly durable reinforced nylon handle with easy access to each key. The heavy-duty 10-Piece set includes 4-Inch-long extended reach blades and a strategically placed #2 Phillips fastener on the outer body for effortless key tension adjustment. Klein Tools' hex sets are color-coded for quick identification: red for inch, blue for mm, and green for Torx, enhancing efficiency.

• Pro Folding Hex Key Set with 10 extended-reach blade approximately 3-1/2-Inch to 4-1/2-Inch long for greater reach
• Key sizes include 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, and 12mm
• Effortlessly adjust key tightness or looseness with the convenient #2 Phillips fastener
• High-leverage blades open independently up to 270 degrees
• Hex-key ends are square-cut for a secure, full-depth fit and maximum contact with the socket to prevent slippage and stripping
• Reinforced nylon handle has a sturdy, comfortable grip
• Blades are made of tough, heat-treated alloy steel and and black phosphate coated to prevent rust
• Openings on the sides of case provide unimpeded access to outer keys