{"product_id":"united-scientific®-wheel-axle","title":"United Scientific® Wheel \u0026 Axle","description":"This is a classic device for demonstrating mechanical advantage and the conservation of energy. It consists of a single stepped wheel with four coaxial steps of 35, 50, 65, and 105mm diameter. The wheel is supported on a steel rod by a ball bearing.","brand":"United Scientific Supplies","offers":[{"title":"Default Title","offer_id":49961546154261,"sku":"USSWAXL01","price":19.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/WAXL01_20Wheel_20_20Axle.jpg?v=1781068343","url":"https:\/\/unitedsupplycorp.com\/products\/united-scientific%c2%ae-wheel-axle","provider":"United Supply Corp.","version":"1.0","type":"link"}