Kadee 149 Standard Head All-Metal Whisker(R) Self-Centering Knuckle Couplers Long Overset Shank 2 Pair

#149 Standard Head All-Metal Whisker(R) Self-Centering Knuckle Couplers Long Overset Shank 2 Pair All-metal -whisker- coupler with metal self-centering spring. Designed and tested for reliability, durability and long life. Compatible with Kadee HO couplers. Fits most HO scale equipment; can be used in place of No. 5 coupler.