#20 LIGHT GRAY BALLAST - 25lb. Mega Sack! Our BEST prototypical O-Scale Ballast. Great for 2-Rail O-Scale and S-Scales! A 25-lb burlap Super Sack which as enough to complete any layout! # 20 grade natural stone ballast accurately graded for the most discriminating protoscale modeler! Lightly blended hues for subtle contrast. Unlike other ballast, our Scenic Express stone is "sealed" so it will not darken when Matte Medium is applied. ** Additional shipping may be applied to orders with excessive weight and/or orders shipped to distant/western US shipping destinations. Apply with 1:4 parts Matte Medium (EX0030). 25lb. MEGA Sack unit will be discontinued when sold out.
