#12 GRADE LIGHT GRAY COARSE - 1-Gallon Gripper Jug! The perfect O-Scale ballast for Hi-Railers and Traditional Operators who don't like spending a fortune for the massive amounts their layouts require. Our new lightweight ballast blends are available in large volume, 'penny-wise' 1/2 gallon containers, 1 gallon jugs and JUMBO 5-gallon buckets. #12 GRADE COVERAGE: Oversize ballast for METAL TUBULAR trackage (Lionel, GarGraves, K-Line). Coverage is approximately 27 linear feet per gallon of ballast on Midwest & Woodland Scenic Roadbed. 33 linear feet for "Black Track Tack" Roadbed. This lightweight ballast is made from nutshells. Those with nut allergies should take precautions. Additional shipping surcharges may be applied for excessive weight or distant shipping destinations.