{"product_id":"nsd-manual-thumb-wind-start-spinner-gyro-ball-up-to-15-000-18-000-rpm-premium-durable-hand-strengthener-and-wrist-exerciser-for-grip-strength-training-forearm-workout-and-pain-relief-size-thumb-wind-start-xl-metal","title":"NSD Manual Thumb Wind Start Spinner Gyro Ball – Up to 15,000-18,000 RPM Premium \u0026 Durable Hand Strengthener and Wrist Exerciser for Grip Strength Training, Forearm Workout, and Pain Relief - size: Thumb-Wind Start XL Metal","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLarger Spinner for Larger Hands - Built to be larger than the normal NSD series Spinner to accommodate larger hands. It's roughly the size of a softball to improve your grip\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Torque \u0026amp; Control – Features a heavyweight zinc rotor delivering up to 50 lb-in of torque at 10,000 RPM. Paired with a premium-grade stability control system for a smooth, balanced hand feel during intense grip strength training\u003c\/li\u003e\n\u003cli\u003eBuilt for Power – This forearm exerciser is larger and heavier than plastic models—ideal for big palms and advanced users. The metal shell adds heft for serious grip strength training. Just wind the wheel, release, and rotate to activate this hand strengthener\u003c\/li\u003e\n\u003cli\u003eTrack Your Power – This auto-start torque ball hand exerciser features a built-in speedometer to monitor your RPMs. Just wind the wheel, release, and rotate your wrist to spin past 15,000 RPM and build serious grip strength—no string or battery needed\u003c\/li\u003e\n\u003cli\u003eThumb-Wind, Spring-Loaded, Auto-Start Power – Wind the wheel, release, and rotate your wrist. This torqueball hand exerciser uses just a thumb wind to launch over 15,000 RPM and 26.8 lbs of resistance. No batteries or strings—just gyroscopic force for beginner-friendly grip strength\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Silver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e NSD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Ball\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTension Level:\u003c\/strong\u003e Heavy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NSD","offers":[{"title":"Default Title","offer_id":51290847183081,"sku":"B0G54CZ9SF-size-thumb-wind-start-xl-metal","price":248.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/9579\/4665\/files\/41NL4gma-VL.jpg?v=1781811363","url":"https:\/\/trainiq.us\/products\/nsd-manual-thumb-wind-start-spinner-gyro-ball-up-to-15-000-18-000-rpm-premium-durable-hand-strengthener-and-wrist-exerciser-for-grip-strength-training-forearm-workout-and-pain-relief-size-thumb-wind-start-xl-metal","provider":"Trainiq","version":"1.0","type":"link"}