Walthers Part #4121 HO Scale Modern Concrete Grade Crossing - Kit

Walthers Part #4121 HO Scale Modern Concrete Grade Crossing - Kit. Kit includes: 2 Paving Approaches: each 5-1/2 x 1" 2 Crossing Centers: each 9 x 1/2" 22.8 x 1.2cm 4 Crossing Edges: each 9 x 1/4" 2.8 x 0.6cm 1 Double-Track Center Paving: 8-15/16 x 1-1/8" 22.7 x 2.8cm