This is a replacement set of 2 idler gears used in the later O gauge "RECTANGULAR" frame motors by Lionel. They replace the old "FIBER" gear sets. They were used in most of the # 248, 252, 253 etc. locomotives.
Fully assembled collector assembly used on Lionel 150 and 250 series electric locos. It is complete and ready to install. The collector arm is Nickel and has an MTH nameplate.
