{"product_id":"12-helix-2-in-1-circle-ruler","title":"12\" Helix 2-in-1 Circle Ruler","description":"\u003cp\u003eThis dual-purpose tool functions as both a ruler and a compass, allowing you to draw circles from 1\/16\" to 12\" in diameter. Ideal for draftsmen, students, artists, and crafters who need precise, measured lines. Perfect for mathematical calculations, technical drawings, and pattern design. Transparent plastic features both imperial and metric gradations. Includes nine circle stencils for smaller circles.\u003c\/p\u003e\n\u003cp\u003eTo make larger circles, place the center disk on your starting point, select your circle size, and insert your pen or pencil. Hold down the disk and sweep around to draw your circle. Equipped with an easy pickup handle.\u003c\/p\u003e\n\u003cp\u003eMade from transparent acrylic and blue plastic. Markings up to 12 inches \/ 30cm.\u003c\/p\u003e","brand":"John Neal Books","offers":[{"title":"Default Title","offer_id":48517432082569,"sku":"S24","price":5.59,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0361\/9143\/6937\/files\/S24__18575.1723053704__63422.webp?v=1791234025","url":"https:\/\/nvfinearts.com\/products\/12-helix-2-in-1-circle-ruler","provider":"Nevada Fine Arts","version":"1.0","type":"link"}