HO A.S.F.(R) Ride Control(R) 50-Ton Fully Sprung Metal Trucks -- Code 110 (.110") 33" Smooth-Back RP-25 Wheels 1 Pair

Brand: Kadee Part #: kad 504 Features Code 110 (.110) 33h smooth back wheels  Accurate markings  Incredible detail true to prototype  Non-magnetic metal wheels  Highly flexible sprung trucks  Metal side frames and fully sprung bolster  Smooth tracking free rolling contoured insulated axles  RP-25 Free rolling wheels Description Metal fully sprung equalized trucks. Mounts with a #2 or 2-56 screw, sold separately.