{"product_id":"groco-seacock-backing-block-750-1000-gro-bb-1","title":"Groco Seacock Backing Block 750-1000","description":"\u003ch2\u003eGroco Seacock Backing Block\u003c\/h2\u003e \u003cp\u003eUse the Groco Seacock Backing Block to improve flanged seacock installation. Groco backing blocks are made from an environmentally-friendly PVC foam specially formulated for marine applications. The rigid 1\/2\" thickness provides secure installation but is flexible enough to conform to minor hull curvature. To install, press threaded brass inserts into the hull side of the backing block into the holes that match the seacock flange.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eEach size fits multiple seacock sizes\u003c\/li\u003e \u003cli\u003eWill not swell or absorb moisture\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eModel: BB-1\u003c\/li\u003e \u003cul\u003e \u003cli\u003eFits Seacock Sizes 750 and 1000\u003c\/li\u003e \u003cli\u003eBacking Block Diameter: 4.29\"\u003c\/li\u003e \u003cli\u003eInsert Threads: 5\/16-18\u003c\/li\u003e \u003c\/ul\u003e \u003cli\u003eModel: BB-2\u003c\/li\u003e \u003cul\u003e \u003cli\u003eFits Seacock Sizes 1250 and 1500\u003c\/li\u003e \u003cli\u003eBacking Block Diameter: 5.38\"\u003c\/li\u003e \u003cli\u003eInsert Threads: 5\/16-18\u003c\/li\u003e \u003c\/ul\u003e \u003c\/ul\u003e","brand":"Groco","offers":[{"title":"Default Title","offer_id":67605341569339,"sku":"GRO-BB-1","price":75.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0907\/4271\/8779\/files\/gro-bb-1_1__52437.1722354644.jpg?v=1790707024","url":"https:\/\/clinchriverfishingusa.com\/products\/groco-seacock-backing-block-750-1000-gro-bb-1","provider":"Clinch River Fishing USA","version":"1.0","type":"link"}