Birchwood Casey - Brass Black Touch Up - 3 oz. Bottle Adriatic Blue 重量輕，易於使用，適用於各種肌肉對，包括腿筋和股四頭肌、二頭肌和三頭肌等

重量輕，易於使用，適用於各種肌肉對，包括腿筋和股四頭肌、二頭肌和三頭肌等

The scratch resistant

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Birchwood Casey - Brass Black Touch Up - 3 oz. Bottle Adriatic Blue 重量輕，易於使用，適用於各種肌肉對，包括腿筋和股四頭肌、二頭肌和三頭肌等Fast acting liquid used by gunsmiths and industry to blacken or antique brass, copper and bronze parts. Easy to apply with no dimensional change. Often used to mark cartridge cases to identify loads. Excellent for blackening name plates, plaques, castings, sculptures and other home, workshop and hobby uses. Color varies depending on alloy and can be highlighted if desired. Final appearance is enhanced by applying a clear coat finish, wax or oil. Key