These Kadee HO Scale metal shelf couplers are made for standard heigh mounting platforms for HO Scale model trains. They are compatible with all HO Scale Kadee couplers. Manual uncoupling requires the 241 dual tool. The "SF" shelf coupler can be easily modified to look like the type "F" shelf coupler or "H" passenger car coupler.
#118 SF Metal Shelf Whisker® Magne-Matic® Coupler Medium 9/32in Centerset Shank with #242 draft Gearboxes 2pr - Kit.