Adjustable Hand Grip Strengthener with Counter – Workout Hand Trainer
Build Stronger Grip Anytime, Anywhere
Improve your hand, wrist, and forearm strength with this adjustable hand grip strengthener featuring a built-in counter to track your progress.
Perfect for athletes, fitness enthusiasts, or anyone looking to increase grip power and endurance.
Key Features:
• Adjustable resistance from 5KG to 100KG
• Built-in counter to track repetitions
• Ergonomic non-slip handle for comfort
• Durable and long-lasting design
• Compact and portable for daily use
Ideal For:
• Strength training
• Rehabilitation and recovery
• Athletes (basketball, tennis, boxing, etc.)
• Everyday grip improvement
Product Details:
• Material: PP + steel spring
• Color Options: Orange, Red, Grey
• Resistance Range: 5–100KG
• Type: Hand grip strengthener
Track your progress. Build stronger hands every day.






Shipping information
Processing Time
Orders are typically processed within 1–3 business days before shipment.
Estimated Delivery Time
Estimated delivery is approximately 7–10 business days within Japan and 10–12 business days for international destinations. Delivery times may vary depending on the destination, shipping carrier, and customs processing.
Tracking
A tracking number will be provided once your order has shipped
Please note: Delivery estimates are not guaranteed and may be affected by circumstances outside our control.
Returns & warranty
JUNO Online Shop does not accept voluntary returns for change-of-mind requests or items correctly supplied according to the customer’s order.
If your item arrives damaged, defective, incorrect, or incomplete, please contact us as soon as possible at support@junoonlineshop.com Include your order number and clear photos or videos showing the issue.
We will review your claim and explain the available resolution. This policy does not limit any consumer rights that cannot legally be excluded.