{"product_id":"hlh-kad636","title":"Kadee 636 HO\/HOn3 Split-Shank Centering Springs — 12-Pack","description":"\u003cp\u003eRestore the centering action of compatible split-shank couplers with Kadee 636 coil springs. This pack supplies a dozen small replacement springs for the specified HO and HOn3 coupler families.\u003c\/p\u003e\u003ch2\u003eFeatures and package contents\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTwelve phosphor-bronze coil centering springs.\u003c\/li\u003e\n\u003cli\u003eFor No. 711 and 712 three-quarter-size HO couplers and No. 714 and 715 HOn3 split-shank couplers.\u003c\/li\u003e\n\u003cli\u003eOutside diameter 0.052 inch; inside diameter 0.046 inch.\u003c\/li\u003e\n\u003cli\u003eWire diameter 0.003 inch; free length 0.128 inch.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility and installation\u003c\/h2\u003e\u003cp\u003eConfirm the coupler number before fitting: these are centering springs, not general knuckle springs. Install carefully according to the coupler instructions and verify free return movement afterward. A suitable spring-handling tool helps retain the tiny parts; couplers and tools are not included.\u003c\/p\u003e\u003cp\u003eSmall hobby parts; intended for modelers ages 14 and older. Manufacturer warning: cancer and reproductive harm.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"\/collections\/kadee\"\u003eKadee products\u003c\/a\u003e and \u003ca href=\"\/collections\/model-train-parts-accessories\"\u003emodel train accessories\u003c\/a\u003e.\u003c\/p\u003e","brand":"Kadee","offers":[{"title":"Default Title","offer_id":53053366305080,"sku":"KAD636","price":2.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/6049\/2625\/files\/KAD636-midwest-og.png?v=1790820011","url":"https:\/\/munclemikes.com\/products\/hlh-kad636","provider":"Muncle Mikes","version":"1.0","type":"link"}