Why is this unit more than twice the price of the "acelete auto-start 2.0 power ball wrist trainer ..." ?

I can attest to that. My NSD powerball lasted four and a half years. With the same amount of use, my Acelete lasted only a month and a half.

noise level ? can I use this at a silent environment like office ?

Yes. Our surgeons use them in their offices while on the phone. It makes very little noise. Sort of a brushing sound.

does it have led light ?

No, all NSD Spinners with ergonomic/rubber band in black are not equipped with LED lights. However, the Speedometer on the top goes with self-powered back LED light when you spin and reach 3,000 RPM.

What is the difference between the nsd power and nsd titan? the price is as twice as big for titan

Their Material and Size are different. PB-688 series Spinner are made of military-grade plastic while PB-888 Titan series are made of zinc rotor and Aluminum Alloy shell. PB-688 is a tennis ball sized Spinner while PB-888 is as big as a softball.

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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

Product ID: 1558792

Details

Brand
NSD
Color
Black
Item Weight
0.25 Kilograms
Material
Plastic
Style
Without LCD

💪24.9 lbs resistance torque

⚙️Up to 18,000 RPM gyro spin

🛡️Military-grade durable build

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C$6011

Duties & taxes included

In stock

Sold byAmazon NicaraguaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💥 Spin Stronger, Recover Faster, Dominate Every Grip!

COMPACT POWERHOUSE - Ultra-portable design fits your desk, gym bag, or rehab kit—train anytime, anywhere without bulky equipment.
PRECISION CONTROL STOP - Reverse the rotor to stop instantly, giving you seamless transitions and full workout control.
ENGINEERED FOR ENDURANCE - Built with zinc rotor, stainless steel axle, and military-grade plastic for rock-solid stability and zero vibrations.
REHAB PERFORMANCE BOOST - Perfect for athletes, musicians, and professionals recovering from strain—enhances blood flow, reduces stiffness, and builds grip strength.
EFFORTLESS AUTO START POWER - Just thumb-wind and release for instant 18,000+ RPM spin—no strings, no batteries, pure gyroscopic force.

The NSD Manual Thumb Wind Start Spinner Gyro Ball is a premium wrist and forearm strengthener that delivers up to 18,000 RPM and 24.9 lbs of resistance through gyroscopic force. Featuring a thumb-wind auto-start and instant stop control, it’s crafted with military-grade materials for durability and smooth performance. Ideal for athletes, rehab users, and professionals, this compact device enhances grip strength, promotes recovery, and fits seamlessly into any active lifestyle.

Specifications

ASIN	B007MEWU14
Best Sellers Rank	#53,922 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #5 in Gyroscopic Hand Exercise Balls
Brand Name	NSD
Color	Black
Customer Reviews	4.3 4.3 out of 5 stars (731)
Global Trade Identification Number	00848663000278
Included Components	Plastic shells, Stainless steal axle, Zinc rotor
Item Dimensions L x W	5.12"L x 3.15"W
Item Type Name	Wrist Forearm Grip Strengthener
Item Weight	0.25 Kilograms
Manufacturer	NSD Power
Material	Plastic
Model Number	PB-688A Black
Part Number	PB-688A Black
Style	Without Digital LCD Counter
Tension Supported	Heavy
UPC	848663000278
Warranty Description	If you'd like a copy of the manufacturer's warranty for a product found on Amazon.com, you can contact the manufacturer directly or visit their website for more information, or you can contact our Customer Service team by e-mailing us at: [email protected]. If you choose to e-mail our Customer Service team, please include the full name of the product; the model or style, if applicable; …

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