{"product_id":"rio-grande-cast-in-one™-rubber-base-76-2-mm","title":"Rio Grande Cast-In-One™ Rubber Base, 76.2 mm","description":"\u003cp\u003eDesigned specially for the Rio Grande Cast-In-One™ casting machine, this rubber base holds a 3\"-diameter sleeve and is ideal for treeing and investing jewelry models. Insert the Penta-form into the corresponding holes in this base, leaving a gap of at least 1\/8\" between the Penta-form and the rubber, and you're ready to begin building your tree.\u003c\/p\u003e","brand":"Rio Grande","offers":[{"title":"Default Title","offer_id":50754392293722,"sku":"710628","price":3203.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7897\/7882\/files\/710628in.jpg?v=1742356720","url":"https:\/\/www.amadesa.com\/ja-jp\/products\/rio-grande-cast-in-one%e2%84%a2-rubber-base-76-2-mm","provider":"Amadesa","version":"1.0","type":"link"}