Build Stronger Grip Power, Your Way
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A simple tool that boosts hand and forearm strength with adjustable resistance.
The Fitto Adjustable Hand Grip Strengthener makes grip training easy. Turn the dial to raise or lower resistance and train at your own pace. It’s lightweight, comfortable, and ready for home workouts, the gym, or rehab sessions.
Small tool. Big strength gains.
✔ Adjustable resistance for custom training
✔ Comfortable ergonomic handle
✔ Compact for on‑the‑go use
✔ Great for fitness or rehab routines
Wipe clean with a dry or slightly damp cloth. Store in a cool, dry place.
We are proud to offer duty-free, reliable, tracked shipping— delivered to your door in over 200 countries worldwide!
Below you can check our average shipping times:
Domestic USA Shipping: 2-9 business days
US & Canada: 7-18 days
Europe: 7-18 days
Europe Plus*: 8-30 days
Australia, New Zealand: 7-18 days
Hong Kong, Singapore: 7-18 days
Rest of the world: 8-30 days
*does not include processing times up to 2 business days or longer in peak periods
Primarily we ship out from fulfillment centers in the United States, Eastern Asia and Western Europe. If the item you've purchased is out of inventory in your nearest location, we'll send it directly from our production lines at the same delivery times as stated in our shipping section.
How do I adjust the resistance?
Turn the built‑in dial to raise or lower the tension between 10–40 kg.
Is it comfortable for long sessions?
Yes, the ergonomic handle is designed for a natural, easy grip.
Who can use this tool?
Athletes, musicians, and anyone looking to improve hand and forearm strength.
Helps you build solid grip and forearm strength at your own pace.
Dial in the perfect level between 10–40 kg for every session.
Ergonomic handle keeps training smooth and easy on your hands.
Lightweight and compact so you can train anywhere.
Durable plastic and metal construction for long‑term use.
A smarter, more comfortable way to train your grip.
| Features | MK Aquarium | Knock-Offs |
|---|---|---|
| Adjustable 10–40 kg resistance | ||
| Ergonomic comfort handle | ||
| Durable construction | ||
| Portable travel‑friendly size | ||
| Smooth tension adjustment | ||
| Reliable everyday performance | ||
| Designed for training and rehab | ||
| Clean, modern look | ||
| Trusted Fitto quality |
It adjusts from 10–40 kg.
Yes, you can start low and raise resistance as you grow stronger.
It’s suitable for general strength training during recovery, following your provider’s guidance.
Yes, it can help improve hand strength needed for many instruments.
No, it operates quietly.
A mix of durable plastic and metal.
No, it’s ready to use right out of the box.
Yes, it’s compact enough for bags or backpacks.
Wipe with a dry or slightly damp cloth.
