Price: €19.13
(as of Sep 16, 2025 15:00:06 UTC – Details)
From the brand

RPM Power – Leading Fitness
With 22 years experience in the fitness industry, we create the best service, the best experience and the best product.

RPM Power has been supplying quality products for strengthening and rehabilitation to customers worldwide for over 22 years.
We were founded in 1998 as a “Powerball” and focused exclusively on the world-renowned gyroscopic wrist exercises until 2012 until we decided to expand our range and develop more fitness products.
We have developed fitness products of the highest quality that everyone can use.
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What makes our products unique?
Fitness can be very strenuous – and this before you take up the high cost of the equipment. Fitness should be affordable for everyone. That’s why we offer high quality products at a good price.
What is your service?
We help our customers stay motivated by giving them access to our workouts and, of course, our RPM Power team. Get in touch and let us help you.
Are our products high quality?
We develop and produce all our products under our RPM Power brand.
Fitness for everyone

Unleash your potential
We pride ourselves on developing the best fitness equipment possible. From beginner to expert, we have something for you.
Perfect for home training

Why RPM Power?
More than 22 years experience in home fitnessWarehouse pricesOnline fitness guideCustomer-oriented teamRated 5 stars on Trustpilot (1900 reviews)All products are developed in IrelandTop quality after-purchase service included
Strength and cardio training
Rehabilitation Products
Beginner level (pink 50 lbs and purple 100 lbs) – Our 50 lbs and 100 lbs power grippers are the perfect introduction to grip strength training. Perfect for beginners starting strength training, or for those who want to recover from an injury.
In between (150 lbs blue and 200 lbs red) – the 150 lbs and 200 lbs are the perfect gripping pliers to strengthen your tendons and upper limbs with frequent use. We recommend this gripper for people with an average strength level and not for beginners.
Advanced level (250 lbs black and 300 lb silver) – Our 250 lbs and 300 lbs metal grippers are designed for those who already have an above-average level of grip strength. This metal gripper is suitable for those who already have a high level of power.
Elite level (350 lbs gold) – Our golden handle amplifier is an extremely difficult to close gripper. To close this gripper you need to adjust to a crushing resistance of 159 kg. This metal gripper is only suitable for experts.
Ultra level (400 lbs green) – the 400 lbs gripper is the ultimate grip pro challenge for the very advanced users. Before trying to close this gripper, we recommend you warm up with a lighter tension. This is one of the most difficult grippers in the world, and for good reason. The resistance is equivalent to a weight of 181 kg.
Grip strength training guide – Each hand grip strengthener comes with its own training guide to help you maximise your results in strengthening the handles and rehabilitation. Choose from a variety of holding positions in your hand, allowing you to use some or all fingers.
Customers say
Customers like the quality, effectiveness, and durability of the hand strengthener. They mention it feels unbreakable, is a good solution for weak lower arms, and is a robust tool to strengthen the hand muscles. Customers also appreciate the ergonomics, price, and ease of use. However, some customers have reported that the hands can be easily irritated, have issues with the handle texture, and have mixed opinions on the weight.




















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