This is A Package of Woodland Scenics' Coarse Ballast (Gray). Scale model material. Details your layout with as much accuracy as possible. Nonmagnetic. Woodland Scenics knows the importance of the right color for indicating types of track and usage. Ballast may be used for trackside, wagon loads, roadworks or gravel bins. Two methods of laying ballast (refer to package for instructions). Scale reference chart printed on package. One Package of Coarse Ballast (Gray) Scenic Cement (WOOR1401) Scenic Sprayer (WOOU1512) Brush Liquid Detergent Weight: 7 oz (198 g) 6/6/95sk kr9/4/01 ir/kh &