Scotch® High Temperature Fine Line Tape 4737 is a conformable tape used to achieve sharp paint lines and color separation for curves and straight lines. It has proven successful in high-temperature painting applications requiring a conformable tape. It is available in three options: opaque blue (4737S), translucent blue (4737T) and with a liner (4737TL, 4737SL). - Scotch high temperature fine line tape 4737S should be used for masking fascia, rocker panels, two-tone and other multiple color applications where critical paint break lines are required in high value processes. The tape's solid blue backing offers excellent visibility while masking. For indoor use only.