Grip Trainer for Extreme Forearm Gains

The Iso-Sphere™

The Iso-Sphere™

 (824 Reviews)
$34.95
$34.95 $69.90
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✔️ Reduce Grip Fatigue

✔️ Increase Crushing Power

✔️ Supports Wrist Mobility

✔️ Strengthens Stabilizer Muscles

🔥 LIMITED TIME OFFERS:

🎁 BONUS: All orders today include the "14-Day Vascularity Blueprint" PDF ($29 Value) for FREE.
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The Iso-Sphere™

The Iso-Sphere™

$34.95
$34.95 $69.90
SAVE 50% Sold out

Material: Industrial-Grade High-Density TPR (BPA-Free)

Resistance: Progressive Load (44 lbs – 99 lbs)

Size: Compact & Portable (Fits in pocket)

Finish: Matte Black "Stealth" Finish

Each order can take 1-2 weeks to deliver.

Each domestic order is shipped via USPS priority.

For all international orders, your order will arrive taxes and duties paid.

Tracking is available on ALL orders.

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AS SEEN IN

UNLOCK YOUR GENETIC POTENTIAL.

You hit the gym, you train hard, but your forearms are still lagging. Why? Because standard wrist curls are not enough.

To trigger true vein expansion and deep muscle growth, you need Isometric Tension.

Meet The Iso-Sphere™.
The world's first grip trainer engineered for aesthetic vascularity and raw crushing power. Unlike cheap foam stress balls, the Iso-Sphere is built from high-density industrial silicone designed to withstand 99 lbs of crushing force.

THE SCIENCE OF "THE PUMP"

The Iso-Sphere works using a principle called Occlusion Training.

  1. Squeeze: When you crush the sphere, you temporarily restrict blood flow.
  2. Release: When you let go, nutrient-rich blood surges into the forearm vessels.
  3. Result: This rapid expansion forces your veins closer to the surface, creating that "roadmap" look in just 10 minutes a day.

REAL RESULTS. REAL FAST

See the difference 10 minutes a day makes.

Before

After

 
 

TRUSTED BY 10,000+ LIFTERS & PROFESSIONALS

    FAQs

    Most users report visible increased vascularity within 14 days of following our daily protocol (included with your order).

    No. Standard stress balls offer 5-10 lbs of resistance. The Iso-Sphere offers up to 99 lbs of isometric resistance. It is a serious training tool.

    Yes. If you type all day or game for hours, the Iso-Sphere helps stretch and strengthen the tendons in the carpal tunnel, relieving stiffness.

    We ship worldwide. Orders generally arrive within 7-12 business days.