{"product_id":"retrofit-prototype-couplers-pkg-10","title":"Retrofit Prototype Couplers pkg(10)","description":"These couplers are a detailed miniature reproduction of the original prototype coupler as used in real life on the railroad. They work just like the prototype. Mounting springs are included.Standard 1 gauge models produced since 1987 can have the regular claw coupler replaced with this reproduction coupler. Running a train with this coupler usually requires a very wide minimum radius of 3.0 to 3.5 meters or 118\" to 138\", depending on the models. Package of 10.","brand":"Marklin, Inc","offers":[{"title":"Default Title","offer_id":53176421384557,"sku":"441-56101","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0929\/7228\/6317\/files\/441-56101_01_37621bb3-22d6-4ea6-9df5-6e052b0a611e.gif?v=1774978922","url":"https:\/\/walthers.com\/products\/retrofit-prototype-couplers-pkg-10","provider":"Walthers","version":"1.0","type":"link"}