Gripinator Grip Strengthener – DISCONTINUED/OUT OF STOCK

$24.99 $13.99

  • *FREE EBOOK WITH EVERY PURCHASE* THE ULTIMATE GUIDE TO HAND GRIP STRENGTH! Start getting maximum results immediately with our eBook containing instructions and grip strengthening tips!
  • 4-WAY ADJUSTABILITY! Get 4 different levels of resistance with this easily adjustable, high quality grip strengthener.
  • CHALLENGING RESISTANCE RANGE! Improve your hand grip strength with the Gripinator’s resistance range of 22 – 88 lbs (10 – 40 kg).
  • SUPERIOR DESIGN! Providing you with the highest level of strength and endurance training for your fingers, hands and wrists.
  • 100% NO-QUESTIONS ASKED, LIFETIME WARRANTY! If there is an issue with your product, for any reason, we will provide a replacement or a full refund.

Out of stock

SKU: UM-99SE-WUD4 Category:


Your search for the best grip strengthener is over.

When you purchase the Gripinator today, here are just a few of the grip strengthener benefits that you can look forward to…

Almost all customers have told us that they’ve seen an improvement in their weightlifting performance after using the Gripinator! This is because having a stronger grip allows you to complete more weightlifting repetitions!

Most customers have reported that they are able to get a great grip workout with the 4-way adjustability of the Gripinator!

Our customers have said that just 10-15 minutes of grip strengthener exercises per day is enough to give them noticeable improvements in their grip.

All of our customers tell us how easy and convenient using a grip strengthener is! You can do grip strengthener exercise at home, on the train and on holiday too!

Take your gym performance to the next level with the best kept secret in weightlifting – a grip strengthener!

The biggest question that you’re probably asking is – just how can a grip strengthener enhance your gym performance? Well, it’s simple really. Grip strengthener training improves your arm form, enabling you to complete more complex and heavy lifts! It can also increase your endurance, giving you the strength that you need to complete many more repetitions.

Whether you’re looking to improve your weightlifting performance or just to keep your grip strong, using a grip strengthener is the easiest way to do strength training exercises with your hands!

Made from the highest-quality materials available during production, such as high quality stainless steel tension springs, the Gripinator is made to be durable and to challenge you as you increase your grip strength. It’s also made to be portable, so it’s the perfect size for gym bags and backpacks too!

Included with your Gripinator purchase will be a free eBook. Our ‘Ultimate Guide To Hand Grip Strength’ will give you instructions and hand strengthening tips so you can get the most from your new grip strengthener!

Customer service is most important to us, so we’re determined to provide a 5-star service to all of our customers. If there is a problem with your GRIPINATOR then we will give you a refund or send you a brand new one! That’s our 100% NO-QUESTIONS ASKED, LIFETIME WARRANTY!

Don’t wait to take your weight training to the next level! Get hold of your Gripinator TODAY!

If you’re looking to incorporate more resistance training into your workouts, then take a look at our resistance bands, Shred Bands. They are suitable for all fitness levels and include an adaptable multi-click system!

Shipping Information

Master of Muscle is Fulfilled By Amazon which means that we’re able to get your order to you quickly and in perfect condition. We supply our products to Amazon and they pick, pack and dispatch them to the U.S. (inc. U.S. Territories). Amazon also manages returns and refunds on our behalf.

Mainland U.S.

We want you to have your Master of Muscle products as soon as possible, so we offer a variety of shipping options. Depending on the option that you choose, you can receive your order within 4-5 days after dispatch (Standard Shipping) or even the next working day (One-Day Shipping)!

Alaska, Hawaii and Puerto Rico

We ship to Alaska, Hawaii and Puerto Rico with Standard Shipping (3-7 days), Expedited shipping (2-5 days) or, where available, we can also ship within 1-4 days (Priority).

U.S. Territories and the Pacific Freely Associated States

We ship to American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Federated States of Micronesia, Palau and U.S. Virgin Islands with Standard Shipping (3-5 days) or International Priority shipping (1-4 days).

Any import or customs fees are your responsibility unless your country is listed in the Amazon Global Program.

We handle all product inquiries so feel free to contact us with any questions.

Designed by Fitness Professionals

All of our fitness products are designed by fitness professionals that actually use them! We understand what it takes to drive performance and the best ways of achieving goals. All of this knowledge is put into every piece of fitness equipment we make and is why our products are loved around the world.

Premium Quality

There is nothing worse than equipment that cannot stand the test of hardcore training. All of our fitness products are designed and produced using the best quality materials available so that they perform over and over again as you push yourself further.

Outstanding Value

We are committed to providing outstanding value with all of our fitness products with each and every order ensuring that you get value for money and join the Master of Muscle family.

Exceptional Customer Service

Customer service is at the forefront of everything we do, if you have any questions, concerns or would simply like advice on how to improve your training efforts, we are here to help!

Better Than Money Back Guarantee

We are so confident you will love our fitness products that we offer a better than money back guarantee on all purchases if there is an issue with your product for any reason we will REFUND you and SEND YOU A NEW ONE – you can’t ask for better than that!

Fulfilment by Amazon

We use Amazon very impressive and massive fulfillment network to ensure you get your order delivered on time and in perfect condition every time.

FREE Workout Guides

With all of our fitness products we include a relevant training guide written by our fitness experts to ensure you get the best start and the most out of your purchase!

If you have any questions about any part of our promise to you, please contact us today!