Wanting to get thick arm muscles like 7-time Mr. Olympia Arnold Schwarzenegger? Or do you need help feeling your bicep muscles better when working out? Then maybe, it’s time to make using arm blasters a staple in your arm training. 

The best arm blaster will let you train the biceps at a lengthened position and remove the rocking motion or shoulder flexion you tend to do especially when moving heavy weight.

Training a muscle lengthened produces a superior growth response compared to training a muscle shortened, shows one landmark study.

Arm blasters keep the tension where it needs to be – the bicep muscles – for stricter and more effective reps. You can use it with a straight bar, dumbbells, E Z curl bar, and pulleys.

It will allow you to concentrate on and isolate bicep muscles, thus, keeping a perfect form for the best hypertrophic response, aka size gains.

Plus, it can be used for triceps during cable pushdowns, especially for targeting the middle and lateral heads. Hence, it is a great tool for developing a girthy, sleeve-busting upper arm! For the best arm blaster you can buy, the Gymreapers Arm Blaster is our top pick. Its made with thick steel for heavy lifting. And it has a deep contour and adjustable nylon strap to accommodate all body types. Plus, the neoprene and rubber pads reduce discomfort and prevent the arm blaster or your arms from slipping.

Best Arm Blaster at a Glance

Gymreapers Bicep Arm Blaster

With a 24” long and deep contoured thick aluminum plate, a quick-adjust, durable, and heavy plastic buckle, and padded neck and arm support, this arm blaster gives you the best arm-building advantages with utmost comfort and best value.

DMoose Arm Blaster

Made from reinforced, rust-resistant aluminum with four strong rivets to hold the thick webbed nylon, this is a tough-built arm blaster that can take on all your heavy workouts.

Jayefo Sport Arm Blaster

Offered with the highest build quality at its budget-friendly price, this affordable arm blaster boasts a lightweight aluminum plate to make it easier to fit your gym bag that can support up to 600lbs.

Gymreapers Arm Blaster – Best Overall

What we like

  • Available in three colors: black, military green, and red
  • Slightly curved edges to accommodate bigger arms
  • Deep, curved design for the torso
  • Heavy-duty, premium construction

What we don’t like

  • More expensive than most arm blasters

This arm blaster is made with heavy-duty steel that is almost a quarter of an inch thick. It can withstand the heaviest bicep curls even strongmen can’t do. So you would not have to worry about it breaking or bending. The open curve profile of its ends can fit even the biggest of arms without forcing you into an awkward lifting position.

This bicep blaster has an adjustable strap with cushioned neoprene padding to provide comfort. Thus, it makes sure your biceps give out, and not your neck, during each set. Also, the rounded ends of the arm blaster are padded, front to back, with rubber for comfort and to prevent your arms from sliding out of position during each upper body exercise. 

It is sized and contoured to fit all physiques, no matter how big or small you are. The easy-to-adjust buckle allows you to quickly change the length of the adjustable strap so the arm blaster can comfortably fit you and your training partners.

DMoose Arm Blaster – Best Durable

What we like

  • Great for tall lifters
  • Multiple design options
  • Durable, heavy-duty build

What we don’t like

  • Slightly smaller in height compared to other arm blasters

Made with thick gauge aluminum, rivet-attached nylon straps, and thick padded elbow pads, this DMoose arm blaster is built to last, even if you decide that every day is arm day. The 47-inch extendable webbed nylon and 24-inch metal plate make this bicep blaster a good option for tall and burly gym buffs looking to add peaks to their upper arms.

Besides padded neck support, the ends of this DMoose Fitness arm blaster are padded with neoprene foam to prevent your arms from digging into the metal plate and keep them in place during intense arm sessions. There are also multiple color options you can choose from, such as black and gray or even an American flag design.

Jayefo Sport Arm Blaster – Best Budget

What we like

  • Longer than other arm blasters, making it good for bigger individuals
  • Comes with a lifetime warranty
  • Heavy-duty nylon strap

What we don’t like

  • A bit challenging to fit in your gym bag
  • Elbow neoprene padding can peel off over time

This arm blaster gives you top quality at a fair price tag. At 25 inches long and with a deep curve for the core brace, this exercise tool is a good choice for wider and bigger lifters. It has a neoprene neck padding for pain-free bicep curls and has padded ends to secure your arms where they need to be minus the discomfort.

With a 1200d nylon belt, this bicep blaster can support very heavy lifting and won’t tear even at the seams. Instead of rivets that tend to rust because of exposure to sweat, the strap is looped through a cut portion of the arm curl blaster plate. Altogether, this is a really good choice for those looking to save on their arms blaster purchase.

Hawk Sports Arm Blaster – Best-Selling

What we like

  • Durable construction
  • 4-level rivets for rigid fastening of strap
  • Comes with a lifetime warranty

What we don’t like

  • Elbow pads may eventually peel off

This 24-inch long and 4-inch high Hawk arm blaster is ergonomic, durable, and comfortable to use. It does not have deep curves, which can sometimes be a limiting factor. This bicep blaster brings your elbows forward, so you get a complete and deeper stretch on your biceps at the bottom of your barbell or dumbbell curls.

The nylon strap’s buckle is easy to adjust and comes with a neck padding to prevent straining your neck and even getting rashes or rope burn. The matte black finish also makes the arm blaster more skin-friendly. At the price it has and the value it offers, it’s not hard to see why the Hawk Sports arm blaster is one of the best-selling arm blasters online.

RIMSport Arm Blaster – Best for Beginners

What we like

  • Very affordable option
  • Smaller dimensions and lighter build make it easy to carry around
  • Quick-release, heavy-duty steel buckle

What we don’t like

  • Lower quality build compared to the other arm blasters

If you’ve just started your journey to a better physique, then this inexpensive arm blaster might be the right one for you. It is only about 4mm thick, but it won’t bend or break easily. It is durable enough to get you through all your arm days while you turn your measly arms into meaty ones.

What we like about the RIMSports arm blaster is that the ends are fitted with a rubber sleeve instead of just a rubber pad, allowing for better comfort and protection as your arms dig into the arm blaster. 

This arm blaster comes with a 110-138cm adjustable strap that utilizes a heavy-duty steel buckle. The neck pad is thicker than most items on this list which is a huge plus, especially if you’re still developing your body’s own neck cushion – the upper traps.

Final Verdict

Most arm blasters will slightly differ in price, build quality, size, comfort, and effectiveness. However, we know you pay attention to detail and will feel better and more motivated working out with a premium piece of gym equipment.

That is why we recommend getting the Gymreapers Arm Blaster. It combines durability and comfort with its heavy-duty aluminum plate, completely fitted with rubbers pads and a thick nylon strap and neck cushion. For a lighter version of this arm blaster, you can opt for the Hawk Sports Arm Blaster.

Buying Guide: What to Look For in an Arm Blaster

Material & Construction

The most important consideration for the material of an arm blaster material is the curved metal plate. Always opt for the thicker option, be it steel or aluminum, because it will be more durable and, hence, last longer.

Also, consider how deep or shallow you want the curves of your arm blaster to be. Some prefer it to be deep because of having a thicker core, while some would opt for shallow ones because it drives their elbows forward, allowing for better loading and tension on the biceps.

Lastly, you would want to look at the thickness or D-rating of the neck strap. A thicker or higher d-rated neck strap will always be a better pick. You can even buy an arm blaster with a leather neck strap that gives off a classic, golden era of bodybuilding, the 70s feel.

Adjustable Straps

You should only buy an arm blaster that has adjustable straps. And, of course, the easier and quicker it is to adjust, the better. You won’t be able to use the blaster if the strap is too low or too high on your rib cage.

Neck & Elbow Pads

Imagine having to stop a set of bicep curls prematurely because your neck or elbows hurt. Buy an arm blaster with thick neck pads and dense elbow pads. If the pads cover a bigger area and are thicker, then that arm blaster will be a better choice.


Try to avoid neck straps that are adjusted using velcro or cheap plastic buckles as they are prone to ripping apart or breaking off. You would not want that to happen, especially during heavy sets.

Weight Capacity

Since arm blasters are designed to help you isolate the biceps, which are a very small muscle group, you won’t be lifting weights that are super heavy with it anyway. So, as long you pay attention to the other variables in this guide, you’ll be good to go.

Frequently Asked Questions

Even the most expensive arm blasters are relatively cheap. And, if it will help you to finally train your biceps properly and make you bigger and stronger in the long run, then it is safe to say that this piece of arm workout equipment is a worthy investment.

Yes. An arm blaster works by isolating your bicep muscles to make them work maximally during a curl. It does this by removing the rocking of your elbows – which recruits the front delt into the exercise – so you get a better hypertrophic response from the muscle.

Arm blasters were designed to turn barbell curls, dumbbell curls, and cable curls into preacher curls. You can do hammer curls, preacher curls, incline dumbbell curls – virtually all types of biceps curls with bicep blasters.

However, you can also use it for training the triceps. Specifically, you can use it for cable pushdowns to really hit the lateral and medial heads for thick horseshoe triceps. The purpose of the equipment is to keep the elbows in place so that all the tension is where you need it to be, the bis or the tris.

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