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Strentor™ - Grip Strength Trainer

Regular price $29.95 USD
Regular price $59.95 USD Sale price $29.95 USD
SALE Sold out
“I highly recommend this product it works very well, the results of using this product can be seen within a day or less when you especially put the product to use for about 15-25 mins a day. Overall 10/10”

⭐⭐⭐⭐⭐ - Fernando
✅ Verified Buyer

In the dynamic world of fitness, a powerful grip is essential for lifting weights and maximizing performance. However, weak grip strength can lead to an increased risk of injury and reduced effectiveness during workouts. This leads to heightened frustration, impeded progress, and creates barriers to achieving optimal performance during fitness activities.

Introducing Strentor™, an innovative grip trainer designed to increase hand, finger, and forearm strength. By incorporating six adjustable resistance levels, this innovative device enhances grip strength, ensuring safer and more effective weightlifting sessions. Enjoy increased confidence, faster progress, and the capacity to maximize the advantages of a stronger grip in fitness activities.


6 RESISTANCE LEVELS: Strentor™ provides six levels of resistance, including 6.6LB, 8.8LB, 11LB, 13LB, 17LB, and 21LB. Experience an adaptable and tailored training experience that progressively reinforces grip strength.

TARGETED TRAINING: This revolutionary training tool features individual tension springs for each finger. Strentor™ ensures balanced and comprehensive strength development across all fingers.

ERGONOMIC DESIGN: The ergonomic design of Strentor™ provides a comfortable and secure grip, reducing the risk of strain or injury. Experience hand strength development with greater ease, maximizing the effectiveness of training sessions.

PORTABLE & LIGHTWEIGHT: The portable and lightweight design of this ingenious tool offers unparalleled convenience and portability. Strentor™ can be easily carried in a gym bag or pocket, allowing for grip strength training anytime, anywhere.

HIGH-QUALITY MATERIAL: Strentor™ is made of high-quality silicone material, which is safe and durable. This ensures long-lasting performance and resistance to wear and tear, providing a reliable training tool that can withstand use.

We understand the struggle faced when weak grip strength hinders progress and increases the risk of injury during weightlifting sessions. Imagine the frustration of attempting a personal best deadlift, only to falter due to insufficient grip strength. According to a study published in the Journal of Strength and Conditioning Research, increasing grip strength by just 10% can lead to a 15% increase in overall upper body strength.

Strentor™ is the go-to solution specifically designed to tackle the challenges faced with grip strength. By providing six adjustable resistance levels, this cutting-edge device paves the way for safer, more effective weightlifting sessions and improved overall strength. Experience new personal records, soaring confidence, and the path to peak fitness that becomes an exhilarating journey.



(2) X Strentor™ Finger Exerciser
(1) X Strentor™ Wrist Strap


We want you to love what you've ordered, so if it needs to be corrected, please send it back within 30 days of receiving it for a full refund. Our team is always here to help make things right, so don't hesitate to reach out!

Phone: +1-(800) 993-1320

You've discovered our secret savings code. Use UPTRENDI10 at checkout to add a dash of discount to your order!


  • We truly believe that a good shopping experience is what makes our customers return to us. We want you to be happy and satisfied, therefore, we offer a Risk-Free 30 Day Guarantee!

  • If you don't have a positive experience for ANY reason, we will do WHATEVER it takes to make sure you are 100% satisfied with your purchase.

  • Our staff will be more than happy to assist you with any issues you may have.

  • After an order has been placed a full refund will not be given unless there are defects with a product upon delivery. Please respect our rules and guidelines before purchasing.

  • Once the product packaging has been opened, a full refund will not be given. We give you the choice of fully covered replacement or a partial refund.

  • We offer customer support 24 Hours a Day, 7 Days a week. 100% Customer Satisfaction Guaranteed!

Return policy

Key information

How many days to return the goods and get the refund. Is there a cancellation fee?

  • 30 days to return the goods for a refund
  • 5 - 7 business days to get your money back
  • Free to return (no restocking fee)

 At Uptrendi, we are dedicated to ensuring our customers have a satisfying shopping experience. Our refund policy outlines the terms and conditions for returns and refunds, including our 30-day money-back guarantee and free returns. Please review the following information carefully before initiating a return.  

30-Day Money Back Guarantee

If you are not completely satisfied with your purchase, you may return the item within 30 days of receiving it for a full refund. To be eligible for a return, the item must be unused, in the same condition as it was received, and in its original packaging.  

Free Returns

We offer free returns for customers in the United States, Australia, Canada, and the United Kingdom. To initiate a return, please follow these steps:

Contact our customer support team at with your order number and details about the product you would like to return. Our team will provide you with a pre-paid shipping label and instructions on how to proceed with the return process.

Pack the item securely in its original packaging, including any accessories, manuals, and documentation.

Affix the pre-paid shipping label to the package and ship the item to the return address provided by our customer support team.

We do accept returns concerning the following conditions:

  • The item must have been sold on our online store.
  • The item shouldn't have been used in any way, with tags, and in its original packaging.
  • The return or exchange request is made within 30 days of delivery.
  • The return is made within 14 days of the return or exchange request.
  • You'll also need the receipt or proof of purchase.

Damages and issues

Please inspect your order upon reception and contact us immediately if the item is defective, or damaged or if you receive the wrong item so that we can evaluate the issue and make it right.    


Once your return is received and inspected, we will email you to notify you that we have received your returned item. We will also inform you of the approval or rejection of your refund. If your return is approved, your refund will be processed, and a credit will automatically be applied to your original method of payment within 5-7 business days.  

Exceptions- Non-Returnable Goods

Certain items are not eligible for returns due to health, safety, and hygiene reasons. Non-returnable goods include, but are not limited to:

  • Gift cards
  • Personalized or custom-made items
  • Health and beauty products, including cosmetics, skincare items, and personal care products.
  • Clearance or sale items
  • Perishable goods or items with a limited shelf life

If you have any questions or concerns regarding our refund policy or a specific order, please don't hesitate to reach out to our customer support team.

We are here to help and ensure a smooth and enjoyable shopping experience.

Support: Email:

Phone: +1-(800) 993-1320