Kadee 21 HO Scale 20-Series Plastic Couplers with Gearboxes - Long (25/64") Underset Shank

#21 Couplers - Long Underset Plastic Shank

This industry leading coupler features plastic standard coupler with metal knuckle, and #634 standard centering spring and comes complete with insulated draft gearbox and lid. The #21 Magne-Matic® Plastic Coupler may be mounted with the included #213 or #232 Gearbox or with most other manufacturers cast-on coupler pockets.

It is not recommended to use a metal coupler directly on a metal surface or in a metal draft gearbox to avoid possible electrical crossover and shorting that may cause damage.

Refer to our helpful Coupler Conversion Charts to determine the appropriate coupler to use on your model.

20-Series Coupler Instructions
20-Series Chart

Two pair per package