These 3" Bridge Piers Are Designed to be Used On Your HO Scale Track Layout by Atlas Model Railroad. FEATURES: Light gray plastic construction with stone masonry details. Recommended for use with Atlas HO Code 100 and Code 83 Snap-Track. Add these bridge piers with other piers for new dimentions on your layout. INCLUDES: Four Bridge Piers SPECS: Scale: HO 1:87 Height: 3" (each) kr8/8/01 ir/jl