{"product_id":"extension-ring-kit-4-support-ring-with-boss-head-clamp","title":"Extension Ring Kit, 4\" Support Ring with Boss Head Clamp","description":"This convenient lab kit includes a 4-inch diameter support ring and a durable boss head clamp for easy attachment to standard retort stands. Ideal for both laboratory and classroom environments, the support ring provides a secure platform for holding beakers, flasks, funnels, or wire gauze during experiments. The boss head clamp attaches at a right angle, allowing you to position the support ring exactly where needed along the vertical rod. Built for strength and stability, this setup ensures reliable support for various labware while promoting safe hands-on learning. Perfect for general chemistry, physics, and STEM education.","brand":"Go Science Crazy","offers":[{"title":"Default Title","offer_id":49961179218197,"sku":"GSC4112-4CH39-KT","price":10.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/4110-4ch39-kt-photoroom_8db07b62-ddcf-4a7a-b091-d47712c51894.jpg?v=1781064836","url":"https:\/\/unitedsupplycorp.com\/products\/extension-ring-kit-4-support-ring-with-boss-head-clamp","provider":"United Supply Corp.","version":"1.0","type":"link"}