{"product_id":"weight-kit-screw-knob-50-g-astm-class-1-stainless-steel-polished-density-7-95","title":"Weight Kit, Screw Knob 50 g ASTM Class 1 Stainless Steel, Polished Density 7.95","description":"\u003cp\u003eApplications:\u003c\/p\u003e \u003cp\u003eCalibrating Class I and II balances\u003c\/p\u003e ASTM Class 4, 5 and 6 weights Student laboratory use Rough weighing operations Tolerance testing Verification checks \u003cp\u003eProduct Configuration:\u003c\/p\u003e \u003cp\u003eIndividual weight kits: weight, case or vial and glove\u003c\/p\u003e Weight set: weights, case and handling equipment \u003cp\u003eCustom Configuration:\u003c\/p\u003e \u003cp\u003eCustom sets are available as build to order to meet your specific requirements\u003c\/p\u003e ASTM weight sets larger than 500 g or 1 lb include a hardwood case with velvet-lined pockets Weight sets with the largest weight of 500 g include a precision-machined polyvinyl, crush resistant case \u003cp\u003e \u003c\/p\u003e","brand":"Rice Lake","offers":[{"title":"EA (1)","offer_id":51110804750651,"sku":"90-2188-53-EA","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-2188-53_26b70003-db37-4a3f-b763-1ebb5a5bc3a8.png?v=1784701742","url":"https:\/\/preiser.com\/products\/weight-kit-screw-knob-50-g-astm-class-1-stainless-steel-polished-density-7-95","provider":"Preiser Scientific","version":"1.0","type":"link"}