Improved in what way?
Sometimes the needles in lower end airbrushes aren't machined quite as smooly as they could be and polishing has been known to help by letting the paint flow over it better.
It's a delicate process that risks bending the tip so I'd think twice unless you're already having specific issues.
Sometimes the needles in lower end airbrushes aren't machined quite as smooly as they could be and polishing has been known to help by letting the paint flow over it better.
It's a delicate process that risks bending the tip so I'd think twice unless you're already having specific issues.
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