{"product_id":"kirschbaum-black-shark-tennis-string-reel-660-ft","title":"Kirschbaum Black Shark Tennis String Reel - 660 ft.","description":"\u003cp\u003eThe Kirschbaum Black Shark is an octagonal co-polyester racquet string engineered for baseliners who want maximum spin, precise control, and strong feel. Built on the same proven material as Pro Line Black, the shaped profile bites into the ball more aggressively than a round string — making it a go-to choice for hybrid setups where spin on the mains is the priority.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOctagonal Profile:\u003c\/strong\u003e The eight-sided shape grips the ball at contact and snaps back faster than round strings, generating more spin on topspin groundstrokes and serves without changing your swing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Spin Potential:\u003c\/strong\u003e Purpose-built for players who want to push spin to its limits — the shaped profile outperforms round co-polyesters in spin generation at every gauge.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise Control and Feel:\u003c\/strong\u003e Delivers a connected, direct feel through the string bed, giving you clear feedback on shot placement during fast baseline exchanges.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePro Line Black Foundation:\u003c\/strong\u003e Based on the same co-polyester compound trusted by tournament players, bringing proven dynamic response and tension maintenance to a spin-focused string.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal for Hybrid Setups:\u003c\/strong\u003e Pairs naturally with softer, more powerful strings on the crosses — giving you spin and control on mains while the cross string adds comfort and power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Kirschbaum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eString Family:\u003c\/strong\u003e Pro Line\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Octagonal co-polyester\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGauge Options:\u003c\/strong\u003e 17 (1.25mm), 16 (1.30mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho It's For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBaseliners who rely on heavy topspin and need a string that maximizes spin without sacrificing control\u003c\/li\u003e\n  \u003cli\u003ePlayers building a hybrid setup who want a proven, spin-focused co-polyester on the mains\u003c\/li\u003e\n  \u003cli\u003eAnyone who has used Pro Line Black and wants more spin from the same trusted material base\u003c\/li\u003e\n  \u003cli\u003eCompetitive players who string frequently and want a shaped string that performs consistently at tournament level\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kirschbaum","offers":[{"title":"17\/1.25 \/ Black","offer_id":51555284222247,"sku":"BS-125-660","price":109.0,"currency_code":"USD","in_stock":false},{"title":"16\/1.30 \/ Black","offer_id":51555284255015,"sku":"BS-130-660","price":109.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1248\/6269\/files\/BLACKSHARK1.25.webp?v=1782926424","url":"https:\/\/www.racquetpoint.com\/products\/kirschbaum-black-shark-tennis-string-reel-660-ft","provider":"Racquet Point","version":"1.0","type":"link"}