This is 2 Pairs of Kadee #156 Magne-Matic Couplers. / / FEATURES: Scale metal coupler with a smaller head which is more to scale / and is patterned after the type "E" couplers / Mount with the supplied #242 draft gear box or with the manufactures / cast-on coupler pockets / Medium 9/32" centerset shank / Simple drop-in design to accommodate manufacturers' draft gear / boxes and cast-on coupler pockets / Same shank length as the #5 (KADU0005), #28 (KADU0028) and / #58 (KADU0058) coupler / Compatible with Kadee HO and HOn3 couplers / Detailed instructions / Made in the USA / / INCLUDES: Two pair of #158 couplers / Two pair of the #242 gearboxes / Instructions / / REQUIRES: Assembly / Coupler Pliers (KADU0237) / Hobby File / Grease-em (KADU0231) / / SPECS: Scale: HO 1:87 / / tlw 9/5/07 / ir/jxs