UNIOR Ratchet combination wrench Size: 10. Chromium-vanadium. Has a two-way ratchet mechanism on the closed end. The stop-ring on the mechanism prevents the wrench from slipping off the nut. - Cycle Service
Hex Nut, Unified (UNC) | SUNCO | MISUMI South East Asia
THE ULTIMATE WRENCH SIZE CONVERSION CHART - ToolHustle
Metric Full Hex Nut Zinc Plated. Full Range of Sizes. – Bescol DIY