Training and outdoor tips, monthly
Seasonal advice and new arrivals. Unsubscribe in one click.
Free UK delivery · Free 30-day returns · sportium.co.uk@gmail.com





Every order ships free with tracking. Timings are on our delivery page.
Email us with your order number within 30 days of delivery and we will send a prepaid returns label. Refunds go back to your original payment method.
Tell us the sport, your level and the measurements that matter at sportium.co.uk@gmail.com and we will help you choose.
CAPTAIN's Adjustable 10–400 lb Electronic Grip Strength Trainer is a compact, heavy-duty hand gripper with a digital rep counter, wide resistance range, and emergency tungsten tip.
This precision grip trainer combines an alloy frame, titanium-plated steel springs, and ergonomic TPR non-slip handles to support progressive hand, wrist, and forearm conditioning. The device adjusts smoothly from 10 to 400 pounds, records up to 999 repetitions with a high-precision electronic counter, and includes a built-in tungsten steel window-breaker tip for emergency use. It’s engineered for durable daily training, whether you’re rehabilitating, improving sport-specific grip, or maintaining general hand strength.
The broad 10–400 lb range lets you start with light tension for rehabbing or endurance work and progress to high resistance for maximal strength. Incremental adjustment supports measurable gains and long-term use without needing multiple devices.
The built-in digital counter tracks sets and total reps up to 999, making it easy to log workouts without an external app. The alloy frame and titanium-plated steel springs provide corrosion resistance and consistent spring-back under repeated heavy use.
Ergonomic TPR-coated handles give a secure, cushioned grip that minimizes slipping during sweaty workouts or sustained holds. For added utility, a tungsten steel tip integrated into the body can serve as an emergency glass breaker when needed.
Adjust resistance to your target load, perform controlled reps while monitoring the digital counter, and rinse or wipe the handles after sweaty sessions. Periodically inspect springs and frame for cleanliness and lightly lubricate pivot points if stiffness appears.
Who this is for: Athletes, climbers, martial artists, weightlifters, musicians, and anyone recovering from hand injuries or wanting stronger, more reliable grip strength will benefit from the CAPTAIN Adjustable 10–400 lb trainer. It’s suited for home gyms, travel, and workplace drawers thanks to its compact alloy frame, wide resistance range, and built-in digital tracking—ideal when you want measurable progress without multiple devices.
Q: What resistance range does the CAPTAIN grip trainer cover?
A: It adjusts from 10 to 400 pounds, suitable for beginners through advanced users.
Q: Does the device track reps or sets?
A: Yes — an integrated electronic counter records up to 999 repetitions for easy tracking.
Delivery: free and tracked to addresses across the UK, with no minimum spend. We email your tracking link as soon as your order is dispatched; timings are on our delivery page.
Returns: 30 days from delivery to return an unused item in its original packaging free of charge, with a prepaid label. This is on top of your 14-day legal right to cancel, and your Consumer Rights Act protections for faulty goods.
Damaged or wrong item? Email us a photo at sportium.co.uk@gmail.com and we will replace or refund it.
Seasonal advice and new arrivals. Unsubscribe in one click.
Thanks for subscribing!
This email has been registered!
| Product | Description | Collection | Availability | Product type | Other details |
|---|