Klein Tools 9-key color-coded hex key set conveniently consolidates the most popular metric sizes into one compact caddy. The industrial strength, extended reach ball-end keys are optimal for working at angles up to 25°. Hex keys are conveniently stored within a cross-compatible, interlocking case for sleek and convenient storage to stack with other twist-to-lock cases. Klein® CBLS9M Powder Coated Long Ball-End Hex Key Set, Metric, 0.5 in to 1 in Short Arm Length, CR-V Steel, 9 pc