Hetman #11 Synthetic Light Rotor Lubricant is designed to provide fast, smooth, and quiet rotor action for brass instruments. Perfect for close-tolerance rotary valves—such as those found in French horns, rotor trombones, and some tubas—this lightweight synthetic oil reduces friction and prevents wear while ensuring quick and reliable response.
Its long-lasting formula resists residue and protects internal rotor components from corrosion and moisture buildup.
Key Features
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Provides fast, smooth, and quiet rotor valve action
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Lightweight synthetic formula prevents sticking and reduces wear
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Protects against corrosion and moisture inside the valve casing
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Ideal for close-tolerance rotary valves (French horn, rotor trombone, some tubas)
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Precision applicator allows accurate, mess-free use


















