{"product_id":"kadee-205-ho-metal-multi-purpose-coupler-height-gauge","title":"Kadee 205 HO Scale Metal Multi-Purpose Coupler Height Gauge","description":"\u003cp\u003eThe Kadee #205 is the multi-purpose coupler height gauge — the single most important Kadee tool you can own. Sets correct coupler height, checks trip pin clearance, and verifies wheel-to-rail dimensions all in one piece of metal.\u003c\/p\u003e\n\u003ch3\u003eWhat it measures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCoupler head height above the rail (must be 25\/64\" \/ 0.395\" for NMRA-spec)\u003c\/li\u003e\n\u003cli\u003eTrip pin height above the rail (must clear the rail by the right amount — too low = drags, too high = won't uncouple)\u003c\/li\u003e\n\u003cli\u003eWheel back-to-back gauge (1.583\" for NMRA HO)\u003c\/li\u003e\n\u003cli\u003eWidth across the rail heads (track gauge check)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSet the gauge on a level section of straight track\u003c\/li\u003e\n\u003cli\u003eRoll your locomotive or freight car up to it\u003c\/li\u003e\n\u003cli\u003eThe coupler head should sit at the gauge's marked height; the trip pin should clear the marked clearance line\u003c\/li\u003e\n\u003cli\u003eIf anything's off — adjust trip pin with #237 pliers, shim coupler with washers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eScale:\u003c\/strong\u003e HO (1:87)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Kadee® — Made in USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU \/ Item:\u003c\/strong\u003e #205\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kadee","offers":[{"title":"Default Title","offer_id":45099051286710,"sku":"380-205","price":13.84,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5131\/1286\/files\/57_e9e92b8e-0f1e-4de6-8b11-a7ba1d1e534a.jpg?v=1779570185","url":"https:\/\/oakvillemodeltrains.com\/products\/kadee-205-ho-metal-multi-purpose-coupler-height-gauge","provider":"Oakville Model Trains Depot","version":"1.0","type":"link"}