This is a Package of N (1/160) Scale Roller Bearing Trucks from Atlas Model Railroad Company. For Adult Model Railroaders. FEATURES: Two N Scale Roller Bearing Trucks. Black plastic trucks with coupler. Brown plastic wheels. Carded Packaging. INCLUDES: One Package of Two N Scale Roller Bearing Trucks. REQUIRES: N Scale Model Train Equipment Assembly Onto Train Car Adult Supervision SPECS: Scale: N (1:160) Length: 1-1/8" (29mm) Width: 3/4" (20mm) COMMENTS: Choking Hazard: Keep away from children under 3 years of age. sdw1/18/01 ir/jl