{"product_id":"threaded-1-1-2-8-backplate-for-8-3-or-4-jaw-chucks-3900-3324","title":"THREADED 1-1\/2\"-8 BACKPLATE FOR 8\" 3 OR 4 JAW CHUCKS (3900-3324)","description":"\u003cp\u003eThreaded 1 1\/2-8 Backplate\/Adapter for 6\" Lathe Chucks No bolt holes. Machining is required before mounting your chuck to ensure concentricity. For 3 \u0026amp; 4-jaw chucks. Shipping Weight: 13 lbs\u003c\/p\u003e","brand":"MACHINEX","offers":[{"title":"Default Title","offer_id":52485444469047,"sku":"3900-3324","price":153.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/0082\/6679\/files\/3900-3324_3900-3304_2026_20a_2.jpg?v=1781639956","url":"https:\/\/machinexsupplies.com\/products\/threaded-1-1-2-8-backplate-for-8-3-or-4-jaw-chucks-3900-3324","provider":"MACHINEX Supplies","version":"1.0","type":"link"}