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    NSD Spinners are scientifically developed to help your arms get the right support they need. Get the right compliment to your arm exercises now.
  • WHO NEEDS NSD SPINNER?

  • NSD Spinners are scientifically developed to help your arms get the right support they need. Get the right compliment to your arm exercises now.

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    • Frequently Asked Questions

    Answers about NSD Spinner: how to use it, which model to choose, batteries, warranty and training tips.

    The information on this page is educational and is not medical advice. For pain, numbness or lasting weakness, see a physician or hand therapist.

    About NSD Spinner

    What is an NSD Spinner?

    The NSD Spinner is a handheld gyroscopic exerciser that helps improve grip strength, wrist and forearm strength, and overall hand dexterity.

    Is NSD Spinner sold under other names?

    Yes. NSD products may be sold under different brand names in different countries. In the United States, the product is sold as NSD Spinner. NSD® is registered with the U.S. Patent and Trademark Office by the manufacturer and is used by us under license.

    Products sold by other distributors are not sold by us, and we are not obligated to provide after-sales service for them.

    Is NSDSpinner.com the official site? How do I know my spinner is genuine?

    NSDSpinner.com is the official U.S. online store for NSD Spinner products. To check that a product is genuine, see Verify Genuine NSD Products.

    Where can I buy an NSD Spinner?

    You can buy NSD Spinners directly from NSDSpinner.com, the official U.S. online store, or from online retailers such as Amazon. For shipping information, see Shipping & Taxes.

    How much does an NSD Spinner cost?

    Prices depend on the model. Spinners start from about $25. See the Spinners collection for current prices.

    Can children use the NSD Spinner?

    Yes, children can use the NSD Spinner, but adult supervision is recommended.

    Is NSD Spinner latex free?

    Yes, all NSD Spinners are latex free.

    Using Your NSD Spinner

    How do I use and start an NSD Spinner?

    NSD Spinners have two start types. Auto-Start models start with a spring-loaded button, so there is no cord to pull. Classic models start with a pull cord, like a yo-yo. After the rotor starts, keep it going by moving your wrist in a circular motion. See How to Use for step-by-step photos and videos.

    Is the NSD Spinner easy to use?

    Yes, the NSD Spinner is simple to use, and instructions are included with the product.

    Do you have to use the string to start a non-AutoStart model, or can you roll it on a desk to get it moving?

    The string is not required. Experienced users can catch the momentum right away and speed up the rotor while its RPM is still slow. Some users start the rotor with a finger flip or by rolling it on their jeans. Beginners need a lot of practice to do this.

    What is the difference between the Auto-Start and Cord-Start models?

    Auto-Start is the spring-loaded version of the Spinner, so you do not need to worry about losing a pull cord. The Cord-Start version works like a yo-yo. With either version, you need to keep the rotor going by moving your wrist correctly after the initial start.

    Does any NSD Spinner need batteries?

    The NSD Dynamics electric-start models use a small rechargeable lithium-iron battery, so there are no batteries to replace. The battery recharges itself as you use the spinner. If you do not use it often, you can charge it with a USB Type-C cable. For other models, see each product page.

    How long should each session be?

    Start with about one minute, then build up gradually to five to ten minutes per session.

    How many revolutions per minute can the NSD Spinner reach?

    The NSD Spinner can reach speeds of up to 15,000 RPM.

    How do you change the resistance on the NSD Spinner?

    You change the resistance by adjusting the speed at which you spin the device.

    How much resistance can NSD Spinners produce?

    The NSD Essential Spinner delivers up to 26 lb-inch of torque at 10,000 RPM. The Titan Spinner, which weighs up to 1.5 lbs, delivers up to 50 lb-inch of torque at 10,000 RPM.

    How much does the NSD Spinner weigh?

    The NSD Plastic Spinner weighs approximately 13 ounces, while the Titan Spinner weighs up to 1.5 lbs.

    Is the NSD Spinner portable?

    Yes, the NSD Spinner is small and compact, so it is easy to take with you wherever you go.

    Is the NSD Spinner noisy? Can I use it in my office?

    The NSD Spinner is quiet enough for most offices and libraries, but the sound depends on the model and on your environment. If noise is a concern, the metal Titan Spinners and the Metal Spinner (PB-588C Silver) are very quiet and silky smooth.

    Is the NSD Spinner waterproof?

    No, the NSD Spinner is not waterproof and should not be submerged in water.

    Is the NSD Spinner easy to clean?

    Yes, you can clean the NSD Spinner with a damp cloth.

    Can you take the NSD Spinner apart to clean it?

    Yes, you can take the upper and lower shells apart to clean it, and you can reverse the two inner tracks to make the Spinner as good as new. Taking it apart for cleaning as shown in our official videos does not affect your warranty. Please refer to the following videos:

    Models & Comparison

    Which NSD Spinner should I choose?

    The Essential Spinner (from about $26.99) has a manual start and is a low-barrier entry to grip and forearm work. The AutoStart Spinner (from about $39.99) starts with a click. The Performance Spinner (from about $49.95) has higher resistance and is built for athletes. The Titan and motorized Dynamics models cost more. See the Spinners collection for current prices.

    What is the difference between the plastic and the metal gyro, and is there one with more torque?

    Metal gyro rotors are heavier than plastic ones. Metal Spinners also deliver more force and torque.

    How is an NSD Spinner different from a hand gripper?

    A hand gripper trains one movement: squeezing. An NSD Spinner is a gyroscopic trainer that loads the wrist and forearm through continuous circular motion, and the faster the rotor spins, the more resistance it creates.

    Training, Health & Results

    Can anyone use the NSD Spinner?

    Yes, the NSD Spinner is suitable for anyone looking to improve their grip strength, including athletes, musicians, office workers, and people recovering from injuries.

    How long does it take to improve grip strength?

    Most people notice a stronger, more secure grip in 2 to 4 weeks of near-daily short sessions, with larger gains over 8 to 12 weeks. See our guide: Grip Strength Training: Science, Exercises & Dosage.

    How often should I train my grip?

    Most days. Short daily sessions of a few minutes work better than one long weekly session, because grip strength responds to frequency.

    Can the NSD Spinner help improve athletic performance?

    Yes. The NSD Spinner can help improve grip strength and wrist and forearm strength, which can benefit athletes in many sports.

    Can the NSD Spinner be used for rehabilitation?

    Yes, the NSD Spinner can be used to help improve grip strength and dexterity during injury rehabilitation. For a worked example, see pickleball elbow: causes, fixes and the exercises that actually last. Check with your doctor or physical therapist first.

    Can the NSD Spinner be used for physical therapy?

    Yes, the NSD Spinner can be used in physical therapy to help improve hand and arm strength.

    Can the NSD Spinner help with wrist tendonitis?

    The NSD Spinner can help build your hand and forearm muscles, but you should check with your physical therapist first. If the tendonitis is caused by repetitive motion, it may help, because it builds hand and forearm muscles and lets you rotate your wrist in directions you do not usually use. If the tendonitis is severe, it may not be suitable, because getting the rotor started and keeping it going takes some force and speed.

    I am recovering from tennis elbow. Is the NSD Spinner suitable for rehabilitation?

    The NSD Spinner can help rebuild forearm strength, grip endurance and wrist control, but with tennis elbow it is important to use it carefully and gradually. Using too much resistance too early may make the pain worse. Use it as a later-stage rehab and conditioning tool, not as the first step during a painful flare-up. First reduce activities that aggravate the elbow and begin gentle rehab exercises, such as wrist-extension isometrics and light eccentric wrist-extension exercises.

    Once your pain is more controlled, you can start very gently:

    • Start with 30–60 seconds at low speed, once per day.
    • Keep your wrist in a comfortable, neutral position.
    • Do not try to reach high RPM at the beginning.
    • It should feel like light forearm work, not sharp elbow pain.
    • If the pain becomes worse later that day or the next morning, stop and reduce the intensity.

    The NSD Dynamics Spinner PB-788E Speed X is easier to start because it has an electric-start function, so you do not need to pull a cord or use extra force. That can help when your elbow is sensitive. Please check with your doctor or physical therapist to confirm this exercise is appropriate for your stage of recovery. See also our pickleball elbow guide.

    Why do my fingers feel weak or stuck together?

    Usually the fingers are undertrained, not weak, and finger independence is mostly a skill your nervous system can learn. See Finger Independence Exercises.

    Warranty & Support

    What does the NSD Spinner warranty cover?

    NSD Spinner products are fully warranted to the original purchaser against defects in material and workmanship for the lifetime of the product. If a product fails because of a manufacturing defect, we will repair or replace it at our discretion. The warranty does not cover damage caused by accident, improper use, negligence, normal wear and tear, or vandalism, and it does not cover unauthorized attempts at disassembly. Taking the spinner apart for cleaning as shown in our official videos does not affect your warranty.

    The SM-03 Digital Counter is not covered by the warranty. The SM-01 and SM-02 counters have been discontinued. See NSD Spinner Lifetime Warranty Information.

    If your NSD product was purchased from powerballs.com, we are unable to provide warranty or after-sales service.

    How do I make a warranty claim or contact customer service?

    Call NSD Power Customer Service at 626-462-9328 or email customerservice@nsdpowerus.com to get an RMA number. Send the spinner with a copy of the original sales receipt to NSD Power US Warranty Claims, 2472 Beacon St., Fullerton, CA 92835. Shipping for warranty claims must be prepaid and insured. Please allow 5 to 10 business days for processing after it arrives.

    NSD Swim

    What is the NSD Swim Trainer System?

    The NSD Swim Trainer System is a swim-in-place training system. You attach tethers to your swim belt and to a poolside fixture. The tracker logs time, speed, strokes and calories, and sends the data over Bluetooth to an iOS app. It works with iOS devices only. The NSD Swim Comfort Training Belt works with the NSD Swim Trainer System.