380-521 Kadee HO #521 -- 36" Wheelsets Police Epoxy is an equal two-part

Epoxy is an equal two-part hobby adhesive that forms high strength bonds through a chemical reaction between the resin and hardener

you should install it so that it is easily accessible

(Starter sets use 36181

from a modeler's perspective

380-521 Kadee HO #521 -- 36" Wheelsets Police Epoxy is an equal two-partRibbed wheelsets are most commonly found on steam era rolling stock. Kadee wheel sets are manufactured to the most exacting standards and feature: RP 25 contour, non magnetic metal wheels, and insulated needlepoint axles. They're made right here in the USA with legendary Made In America quality. Package Includes: (12) Sets #521 36" Diameter Ribbed Back Wheelsets (Code 110) (1 Set = 1 Axle)