12pcs Model Trains HO Scale Coupler 1:87 20mm E-Z Mate Magnetic Knuckle Couplers

- Best for HO scale model train hobbyists who need replacement or additional couplers; 12-piece set covers multiple cars.
- New condition means unused couplers ready for immediate installation on 1:87 scale train cars.
- Seller has 3,881 feedback ratings at 99.5% positive; established industrial equipment vendor with strong track record.
- Free shipping included; in stock now with no expedited options mentioned.
- E-Z Mate magnetic knuckle couplers in 20mm size, 1:87 scale, with included screws and pocket mounts for standard HO cars.
- Before purchase, confirm your train car coupler pocket is standard HO size; check product photos or seller Q&A for compatibility with your specific car models.