{"product_id":"box-of-12-lithography-crayons-no-1-hard","title":"Charbonnel Box of 12 Lithography Crayons No. 1 Hard","description":"\u003cp\u003eCharbonnel Lithography Crayons — box of 12, No. 1 Hard. Used for drawing directly onto lithographic stone or aluminium plate, these wax-based crayons create grease-receptive marks that accept oil-based lithographic ink during printing. The hardness grade determines mark character — harder for fine detail, softer for broad tonal areas.\u003c\/p\u003e","brand":"Charbonnel","offers":[{"title":"No. 1 Hard","offer_id":55566914453880,"sku":"301659","price":39.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/7388\/7910\/files\/download_c36cf0db-1ae8-4145-a9f9-0c645bd568c9.jpg?v=1779114708","url":"https:\/\/www.bradburyart.co.uk\/products\/box-of-12-lithography-crayons-no-1-hard","provider":"Bradbury Art","version":"1.0","type":"link"}