• The single best grip training tool / hand strengthener you can buy
  • Proprietary spring, knurled aircraft grade billet aluminum handles
  • Legendary build quality: precise, durable, good looking
  • 11 strengths for a custom fit from weak-as-a-kitten to World’s Strongest Man
  • Made in the USA by IronMind, grip central since 1988

Product Description

If you don’t have any grip training equipment, chances are your hand strength is less than it should be, and if your grip training equipment looks like a toy that could have come in a box of cereal, the same thing is true.

Captains of Crush (CoC) grippers changed the world bytaking what had been a cheap, imported plaything and turning it into a beautifully crafted training tool for serious strength athletes. Made in the USA and known worldwide, nothing else puts power in the palm of your hand like a Captains of Crush gripper.

  1. Guide – c. 60 lb. / 27 kg (Novice, rehab)
  2. Sport – c. 80 lb. / 36 kg (Warm-up, conditioning)
  3. Trainer – c. 100 lb. / 45 kg (Strong guys start here)
  4. Point Five – c. 120 lb. / 54 kg (Bridge to No. 1)
  5. No. 1 – c. 140 lb. / 64 kg (Already gripping, start here) listed as “5” in the drop down menu
  6. No. 1.5 – c. 167.5 lb. / 76 kg (Bridge to No. 2)
  7. No. 2 – c. 195 lb. / 89 kg (Life-saving levels of grip strength)
  8. No. 2.5 – c. 237.5 lb. / 108 kg (Bridge to No. 3)
  9. No. 3 – c. 280 lb. / 127 kg (World-class: get certified)
  10. No. 3.5 – c. 322.5 lb. / 146 kg (Bridge to No. 4)
  11. No. 4 – c. 365 lb. / 166 kg (Be like Magnus Samuelsson!)

Why Captains of Crush Grippers?

Training Tools not Toys

So, if you’re serious about having stronger hands—whether you are a senior citizen or a SEAL—pick the best tools you can get your hands on, starting with Captains of Crush grippers.

This is the gripper that changed the world, replacing plastic playthings with something suitable for serious strength athletes, IronMind’s focus since 1988.

Custom Fit for Your Needs

The world’s leading hand strengthener, IronMind’s Captains of Crush grippers come in 11 strengths, allowing for progressive training, from rank beginner to someone who can literally crush a raw potato in his bare hands.

Top Quality and Affordable

With legendary build quality and proprietary features, Captains of Crush (CoC) grippers are in a class by themselves, and while you might not have the budget for a world-class car or truck, CoC grippers are affordable so you can get a top-drawer training tool, instead of a piece of mass-produced junk.

First Family of Grip Strength

Captains of Crush (CoC) grippers are part of the CoC Compatible (CoC²) of hand strengthening and hand health products developed by IronMind, the industry leader, Grip Central since 1988.

Where to Start

  • If you are a beginner, a senior or a rehab patient, theGuidemight be perfect for you.
  • If you are active, but have not been training your grip and your job does not involve hand strength, then the Sport is the most likely place to start.
  • If you have been doing serious overall strength training, but have not specifically trained your grip, start with the Trainer.
  • If you use the strength of your hands in your job or if you have been training with sporting-goods-store-type hand grippers, start with the No. 1.

Just to keep this in perspective, most people who lift weights cannot close a Captains of Crush No. 1 gripper the first time they try and only rarely do we ever see someone close a Captains of Crush No. 2 gripper on his first attempt.

Grip Training for Baseball

Whether hitting, pitching or throwing, increased wrist and grip strength are key to playing better baseball.

  • Hitting: Gain control, boost bat speed, and add the horsepower you need to hit those long balls
  • Pitching and throwing: to increase velocity, accuracy, stamina and protection from injuries, make a balanced grip training program a regular part of your workout

Grip Training for Golfers

A strong grip is essential to golf. Pros tend to have greater maximum grip strength than amateurs and—somewhat paradoxically—stronger hands allow you to have a more relaxed grip while maintaining head control and consistent body mechanics.

Grip Training for Shooters

Your thumb is important in shooting, but when it comes to controlling a handgun, it’s secondary to your other four fingers, so your focus is on what’s called crushing grip (think shaking hands and squeezing). Captains of Crush grippers are your first choice for increasing your crushing grip and they will be the cornerstone of your training.

Grip Training for OCR and Climbers

Hand strength is key for obstacle course racers (OCR) and climbers, and most of the grip-related challenges you will face will depend upon the strength and endurance of your crushing grip. Captains of Crush grippers are the fastest route to a stronger crushing grip.

About Original, authentic, unmatched—the gold standard for building and testing grip strength. Designed to produce the quickest gains in grip strength. For strength and conditioning. Silky smooth handles and a smooth ride for high-rep training, a perfect complement to CoC training. Most people who train with grippers think they feel fine in both hands, but if you think your left hand has gotten short shrift, meet Left-Turn grippers. Train one or two fingers at a time, including your thumb. Tune up your weak fingers, advance on CoCs, power up your pinch grip. IMTUG is your best friend. Keeps your warm-up, work-set and goal grippers in order and within easy reach for effective training
Strength Levels 11 strengths 6 strengths 4 strengths 7 strengths
Made in the USA
For Maximum crushing grip strength via low-volume, high-intensity workouts Warm-ups, prehab, rehab, conditioning and strength-building Maximum crushing grip strength via low-volume, high-intensity workouts Train your thumb (pinch grip) as well as your four fingers (crushing grip) Perfect for your desk, workbench, counter or shelf

CoC Silver Bullet

Captains of Crush Grippers: What They Are and How to Close Them

Captains of Crush Grippers inspire passion, and this is the book that traces their history, outlines gripper basics, and gives you training information that is proven to work. Joe Kinney calls it the CoC owner’s guide, all you need to get strong and smart on CoC grippers.

  • Gripper basics
  • History of the CoC Grippers
  • Training advice for building superior grip strength

CoC Silver Bullet

CoC Training and Competition

IronMind developed the Captains of Crush (CoC) Silver Bullet Hold as both a training tool and as an event for grip strength contests: visually appealing and intuitively obvious, the CoC Silver Bullet Hold has been featured in grip contests from California to Russia, with stops in Finland, England, Ukraine…

Whether you think your hand is too big, too small or just right for a gripper, the Silver Bullet is perfect. Hold on as long as you can.

  • Train hard
  • Compete harder

Shipping & Delivery


Delivery for imported, manufactured furniture by our production partners is FREE NATIONWIDE!

No costly prime membership is required nor is any bogus minimum order amount required.

Delivery time varies based on the product but is typically 2-5 business days, but may be up to 4+ weeks for large freight items like couches.


Average turn-around time from date of purchase till pick-up or delivery of a made to order solid-wood furniture purchase is 4-6 weeks.  Turn-around may be as short as 2 weeks and as long as 12 weeks.

Nearly all custom furniture orders may be picked up for free within 60 miles of any metropolitan area in the continental United States.

However, local delivery for custom furniture is also available!

Cost for custom furniture delivery is based on your proximity to your personal Hawkins Woodshop furniture artisan.  You are assigned and introduced to your HW carpenter after purchase.  Delivery cost is paid directly to your HW personal furniture artisan 2-3 days prior to scheduled delivery via any payment method you chose (Venmo, Zelle, PayPal, FB Pay, Check, Cash, Credit Card, etc).

Built-to-order furniture delivery rates are:
< 20 miles = $89.97
21-45 miles = $129.97
46-74 miles = $189.97
75-100 miles = $269.97
101-130 miles = $349.97

Returns & Cancellations

We've two categories of products for sale.

#1) Solid hardwood custom furniture that we make locally in every region throughout the United States. #2) Non custom furniture manufactured by our production partners. Each item on our store has its origin listed in its product description as made-to-order in the USA or imported from overseas. Kindly note, misunderstanding a product's origin isn't grounds for a cancellation or refund.

Non Custom Furniture Returns & Cancellations:

How much time after I purchase do I have to cancel for a refund?

In extenuating circumstances, customers may cancel an order within 24 hours of purchase via texting 916-692-0554 or emailing There are no refunds on any orders after 24 hours of purchase for any reason. If an order is lost during delivery we will arrange a free replacement. If an order is delivered damaged or missing parts we will procure free replacement parts for you from the manufacturer. Kindly note, buyer's remorse, delays during COVID, etc are not valid for cancellations/refunds.

Will you refund me back onto my card?

All approved order cancellations will be reimbursed via store credit only, minus a 15% fee.

How much time after receiving my non custom order do I have to ask to return the item?

We do not accept returns for any reason. If a product arrives damaged/missing parts please contact Colby at 916-692-0554 or kindly email Rest assured, we'll help get you a free replacement or free delivery of any missing parts.

Delays during the COVID-19 pandemic do not constitute grounds for cancellation or a refund. Everyone is trying their best, including us. Supply chains have been decimated across the world. Thank you for your patience and understanding if we experience a hiccup with your order's supply chain.

Orders lost by a carrier are not grounds for cancellation. All lost or damaged delivered orders will be replaced free of charge.

American Made Custom Solid Hardwood Furniture Returns & Cancellations:

We sell locally handmade built-to-order furniture here:

Given its hand made and hand-finished nature, variations and imperfections in solid, real-wood furniture are to be expected and celebrated. Each item is an original and no two pieces are exactly alike. By their nature, wood planks may be somewhat uneven and may develop small cracks and cup or bow over time due to changes in temperature or humidity. We believe this only enhances the furniture's rustic, unique character.

There are no cancellations or refunds on built-to-order furniture.

But please don't fret, there are lots of reasons we have so many 5 star reviews from customers. Perhaps the biggest reason is we LOVE our customers!  We work until you are completely satisfied, & offer a 100% satisfaction guarantee at time of delivery or pick-up.

In conclusion, when you buy from a small business, you're not helping a CEO buy a 3rd holiday home.  You're helping a little girl get dance lessons, a little boy his team jersey, and moms and dads put food on the table.

Thank you for your support. Thank you for following our social accounts and commenting on our posts.  Thank you for #shoppingsmall and #supportingsmallbusiness

Captains of Crush (COC) Hand Gripper – the Gold Standard of Grippers | the World’S Leading Hand Strengthener


In stock