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- USA
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
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Description
TorusDuonamic is proud to release Duonamic Torus, 3 Pack Hand Strength and Grip strength Trainer offering resistance from 40 lbs to 80 lbs. Torus's unique design generates 2 different types of resistance based on the which direction you place Torus in your hand! 3 different Torus that offer 6 different resistance. Grey 40 lbs and 50 lbs QTY 1 Green 50 lbs and 60 lbs QTY 1 Black 70 lbs and 80 lbs QTY 1 Compact portable Take Duonamic Torus anywhere you go,
Duonamic is proud to release Duonamic Torus, 3 Pack Hand Strength and Grip strength Trainer offering resistance from 40 lbs to 80 lbs.
Torus's unique design generates 2 different types of resistance based on the which direction you place Torus in your hand!
3 different Torus that offer 6 different resistance.
Grey 40 lbs and 50 lbs - QTY 1
Green 50 lbs and 60 lbs - QTY 1
Black 70 lbs and 80 lbs - QTY 1
- Compact portable - Take Duonamic Torus anywhere you go, have a set in your gym bag to work up your forearms before any workout.
- Progress you training - Start with 40 lbs of resistance and progress up to 80 lbs.
- Enhance your grip strength to help you improve overall strength, better performance in your favorite sport, and prevent injuries.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 2418 reviews
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Product Reviews
★★★★★ 5
Aggressive chewer who loves fetch approved!!
Size: Medium, Size: Medium
I highly recommend the Chuck-It brand in general, especially for dogs with an aggressive bite. These balls are awesome and are the most durable balls I’ve bought for my 50 lbs lab mix. He has not been able to break one of them yet and we’ve had a few of the squeaky balls for months. They are a bit pricey but worth it.
The one in the pic has been used for months, lives outside and you can see it’s still in great shape.
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Reviewed in the United States on June 22, 2025
★★★★★ 5
Good quality dog ball for playing fetch
Size: Medium
My dog and family love these chuck it balls to play fetch with our dog. They are durable and fun. They squeak which is added fun for any dog! Regular tennis balls my dog chews apart and they get pretty gross after playing and being left outside. These can be easily washed off and cleaned. These balls last! Would recommend to anyone with a dog and would purchase again.
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Reviewed in the United States on April 17, 2025
★★★★★ 5
Tough and sturdy
Size: Medium
Have lasted my dog for years now and she is a tough chewer. Worth the money
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Reviewed in the United States on December 12, 2025
★★★★★ 5
Good product. My dog is very entertained and stimulated by playing with it.
Color: Green, Size: Small (2.0 in, Pack of 2)
I'M AMENDING THIS REVIEW AND ADJUSTING THE RATING UPWARD! Though it took my dog a little while to adjust to how differently this ball behaves, HE LOVES IT NOW. I wish I could give you a sense of how enjoyable and comically entertaining it is to play with him using it. ORIG. REVIEW: Bought this for a little 8 lb. aggressive chewer who loves to play fetch. I initially bought the 2" Chuckit! Ultra ball previously. It is the most amazingly durable product I've found for this pup. Very firm, but not hard on his teeth. He's very quick and agile, so I thought he would like the eye-mouth coordination challenge of a ball that changes direction suddenly. I guess my only disappointment with the product is that the ball is hollow instead of having a solid core like the Ultra ball, so he doesn't enjoy chomping down on it the same way. The erratic bounce feature is entertaining, but the pup is a little skittish, so he was intimidated at first. He's warmed up to it, but not with the same enthusiasm as the Ultra ball. Having said all this, I don't fault the product for the rating I gave it. It is a quality-made product that performs as advertised. I just didn't anticipate that my dog would be less enthusiastic than I thought.
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Reviewed in the United States on June 26, 2016
★★★★★ 5
Awesome
Color: Green, Size: Large (3.0 in, Pack of 1)
Love all the chuckit balls and products and so does my dog. Very durable
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Reviewed in the United States on March 2, 2026