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1 Ingredients: 45 # steel quality,
2 heat treatment: automatic temperature-control and overall treatment, 45 # steel: HRC39-44,
4 Surface treatment: chrome plated nickel chrome, nickel, chromium plating technology, polishing, sandblasting mist chromium plating.
5 Packing: either in bulk, card, color box, hanging bags, threw double shell, card, display cases.
L type wrench with hole