Evemodel HP0787 12pcs Model Trains HO Scale Horn Coupler Hook 20mm E-Z Mate Magnetic Knuckle Couplers for Freight Car Trains Railroad;

Features:
100% Brand new and high quality.Perfect for Railway & Building Layout!
Compatible with all magnetically operated couplers currently on the market.
Simple installation.
Integrated spring.
Specifications:
Material:metal and plastic.
Scale:1:87,Suitable for HO scale.
Size: as the picture.
Color:black.
Package included:12 pcs hook couplers.