{"product_id":"kepu-j21030-50cm-wooden-lever-ruler-straight-ruler-physical-mechanics-experimental-equipment-balance","title":"KEPU J21030 50cm Wooden Lever Ruler Straight Ruler Physical Mechanics Experimental Equipment Balance","description":"\u003cstrong\u003eFeatures:\u003c\/strong\u003e         ?         Solid wood is strong and durable         Iron ring firmly and easily hanging         Strong support for metal struts         Fine balance adjustment on both ends         Uses: This lever rule is used for the experimental use of the balance of physics teaching, and can also be used for teachers to demonstrate experiments.         Structure: hook, adjusting nut, screw, shaft shaft, wax line         Both ends of the shaft are equipped with screw nuts for leveling, and the adjusting nut can adjust the shaft to a horizontal level. When the shaft is in a horizontal position, the lever is in equilibrium, and the rod has four movable hooks.         ?         \u003cstrong\u003eSpecification:\u003c\/strong\u003e         ?         Brand: KEPU         Model: J21030         Material: Wood         Size: 50*2*1cm         ?         \u003cstrong\u003ePackage includes:\u003c\/strong\u003e         ?         1 * 50cm Wooden Lever Ruler     \u003cbr\u003e     \u003cbr\u003e    \u003cimg src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/C9\/78\/14538630-5581-444d-9e92-79528577bdce.png\"\u003e   \u003cbr\u003e    \u003cimg src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/A8\/82\/28681e9d-c29a-41bf-aeae-bbc8bf12d883.png\"\u003e   \u003cbr\u003e    \u003cimg src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/DF\/AF\/643be26c-fa5a-4a40-9a9d-792266a9ed9d.png\"\u003e   \u003cbr\u003e    \u003cimg src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/F0\/35\/85050c4e-0048-4539-8592-0c7e10d07f36.png\"\u003e   \u003cbr\u003e    \u003cimg src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/AE\/EE\/fd71cb6c-fe51-46a4-9518-11dd69697870.png\"\u003e   \u003cbr\u003e    \u003cimg src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/5D\/FE\/02123938-a18b-4c4c-b1a1-7cde42ffa24a.png\"\u003e   \u003cbr\u003e    \u003cimg src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/banggood\/images\/01\/27\/5aba3147-c499-4e65-a3e8-a6670a8c7b64.jpg\"\u003e   \u003cbr\u003e","brand":"ZHIQIAN","offers":[{"title":"Default Title","offer_id":43931906244803,"sku":"ZHIQIAN-029861","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/4355\/1683\/files\/be370e9a-04fc-4924-8d1e-a79b9af74a54.png?v=1725833465","url":"https:\/\/wrsss.com\/products\/kepu-j21030-50cm-wooden-lever-ruler-straight-ruler-physical-mechanics-experimental-equipment-balance","provider":"Wrsss","version":"1.0","type":"link"}