Klein Tools 70553 31-Piece Pro Folding Hex Key Set with Klein Tools

Includes 31 hex key sizes with extended reach blades from 3-1/2 to 4-1/2 inches for hard to reach applications. Comes with a micro-ratchet, magnetic adjustable screwdriver, 33 precision bits, 16 standard bits, 11 nut drivers, and more for versatile precision jobs. Reinforced nylon handle on hex key set with #2 Phillips fastener for easy key tension adjustment. Ratchet system case compactly stores bits and connects to other Klein cases for organization. Hex key set made from heat-treated alloy steel, coated to resist rust and provide long-lasting performance.