Boston Thin Cap

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Boston Thins are specialized outline caps designed for female valves, making them ideal for original Rustoleum, old stock American Accents, and Painter's Touch cans. These caps wor k wonders by almost entirely removing the common "valve stutter" found in Rusto products, while providing a smooth, low-pressure experience. They are also compatible with older valve Krylon, Spanish Montana/MTN, and various hardware store or off-brand American cans. Show more