{"product_id":"signum-pro-firestorm-tennis-string-17l-1-20mm","title":"Signum Pro Firestorm Tennis String – 17L (1.20mm)","description":"\u003cp data-path-to-node=\"1\"\u003eExperience the ultimate fusion of explosive pace and pinpoint accuracy. Globally recognized for its elite German engineering,\u003cstrong\u003e \u003c\/strong\u003eSignum Pro Firestorm is a premium co-polyester monofilament designed specifically for hard-hitting, aggressive players who refuse to compromise on control.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003eDeveloped in collaboration with top-tier professionals, this string delivers a unique, crisp feedback that allows you to swing with maximum velocity while keeping the ball deeply pinned within the lines.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"3\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-path-to-node=\"4\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,0,0\"\u003e\u003cb data-path-to-node=\"4,0,0\" data-index-in-node=\"0\"\u003eOptimal Power + Control Matrix:\u003c\/b\u003e Formulated with a proprietary molecular blend that provides exceptional resilience for deep court penetration without sacrificing directional accuracy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,1,0\"\u003e\u003cb data-path-to-node=\"4,1,0\" data-index-in-node=\"0\"\u003eElite Tension Stability:\u003c\/b\u003e Engineered to minimize structural stretching, offering class-leading tension maintenance so your string bed retains its playability match after match.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,2,0\"\u003e\u003cb data-path-to-node=\"4,2,0\" data-index-in-node=\"0\"\u003eEnhanced Shock Absorption:\u003c\/b\u003e Provides a surprisingly forgiving feel for a high-performance control string, reducing harsh vibrations on off-center hits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,3,0\"\u003e\u003cb data-path-to-node=\"4,3,0\" data-index-in-node=\"0\"\u003eXtreme Quality German Manufacturing:\u003c\/b\u003e Produced under strict quality standards in Germany, ensuring perfect gauge uniformity and reliable durability for high-frequency string breakers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"6\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eGauge:\u003c\/b\u003e 17L \/ 1.20 mm (Offers enhanced bite, spin potential, and feel compared to standard 17 gauge)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eLength:\u003c\/b\u003e 40 ft \/ 12.2 m (Individual set, perfect for a single complete restring)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eMaterial:\u003c\/b\u003e High-Tech Co-Polyester Monofilament\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eColor:\u003c\/b\u003e Metallic Gold \/ Bronze\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\"\u003e\u003cb data-path-to-node=\"7,4,0\" data-index-in-node=\"0\"\u003eOrigin:\u003c\/b\u003e Made in Germany\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Clarke Sports","offers":[{"title":"Default Title","offer_id":49192315945112,"sku":"TSPS-FST-17L","price":8.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/9142\/9272\/files\/Screenshot2026-06-03145521.png?v=1780516625","url":"https:\/\/kybkgu-j0.myshopify.com\/products\/signum-pro-firestorm-tennis-string-17l-1-20mm","provider":"Clarke Sports","version":"1.0","type":"link"}