This is a Package of Twelve 33" HO Scale Flat Back|
Wheel Sets by Bachmann.
Suitable for Ages 14 & Up.
Replacement wheel sets with needle-point bearings
NMRA RP25 wheel contours
Twelve 33" HO scale flat back wheel sets
HO Scale Train Equipment
Scale: HO 1/87
Keep small parts away from children under 3 years of age.