A lot of painter use different type of masking techniques. The type of masking techniques that is used for masking a flush-mounted part is Fine line masking.
Fine Line tapes are known too have thin, smooth backings that are made to create low-profile paint edges.
A painter can also have a sharp paint lines by using fine line tapes with smooth backings coated with some adhesives to stop paint edge bleed.
Scotch Fine Line 218, a type of fine line masking tape is made for straight line application, and it can be found in nine narrow widths for a number of paint striping options.
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