O Scale Wheelset, 30"/135, 1/8" x 1.810" x 0.088" Shouldered Axle, 3-Rail (non insulated) (4/pkg)
NorthWest Short LineO Scale Wheelset, 30"/135, 1/8" x 1.810" x 0.088" Shouldered Axle, 3-Rail (non insulated) (4/pkg)
Assembled: 8180-4
Unassembled: 18180-4