A-Line 12034 Hex Coupling Kit

"HEX" Drive Universal Coupling Combo Pack (worm gear not included). A-Line Universal Hex Drive Couplings will work with most hex flywheels and our part #20005. Slide hex end on square shaft, cut to length, glue. Simple and easy.

Includes: Couplings to connect 4 "Hex" Flywheels or do two locos!