OPAQUE WHITE FREIGHT CAR SIDING IS AVAILABLE IN BOTH .020" AND .040" THICKNESS WITH THE FOLLOWING GROOVE SPACING:
.020" THICK SHEETS: .020" (.50mm), .037 (.95mm), .067" (1.69mm).
.040" THICK SHEETS: .037" (.95mm), .067" (1.69mm)
THESE SHEETS ARE AVAILABLE IN 6" X 12" SHEET SIZE. PACK OF 1.