Klein Tools' new Compact Folding Hex Key line features the same highly durable reinforced nylon handle with easy key access but is now pocketable for more convenient storage and carrying. Our hex key sets feature a strategically placed #2 Phillips fastener on the outer body, ensuring effortless adjustment of key tension to suit your preference. Klein Tools' Hex sets are color-coded for quick identification: red for Inch, blue for mm, and green for Torx®, enhancing efficiency.