Set of open-end wrenches 6-22 mm by Vorel 51710. • Made of chrome vanadium steel Cr V. • Wrenches die-forged. • Perfectly calibrated. • Satin finish minimizes slippage oil contaminated wrench. • Double-ended ring wrench, additionally curved for easy wrench maneuverability Keys: 6, 8, 10, 11, 12, 13, 14, 15, 17, 18, 19, 22 mm