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2020 - .020" OPAQUE WHITE POLYSTYRENE N SCALE FREIGHT CAR SIDING
2020 - 6" x 12" / 1 SHEET PACK
020" (.5mm)THICK X .020"( .5mm) GROOVE SPACING.
GROOVE SPACING IS CENTER TO CENTER OF GROOVES.
REPLICATES 3.25" GROOVE SPACING IN N SCALE