Frequently Asked Questions:


Are they USGA legal?

Yes. They are listed as conforming irons on the USGA Informational Club Database, listed under Pinhawk, right after Ping.


What handicap are they good for?

All handicaps. We’ve had success with these irons from hackers all the way to club champions. They help with consistency, and any golfer can use that.


Has anyone I know played single length irons?

Depends, do you get out much? Moe Norman, who is considered one of the best ball strikers of all time used single length irons. Also, Bryson DeChambeau won the NCAA Individual Championship and also the US Amateur playing single length irons. With his US AM win, we are excited to report that he will be playing in the Masters, U.S. Open and Open Championship with his single length irons. Can’t get any better “proof of concept” than that!  For a little more on Bryson, you can see a USGA article here, a picture of his clubs here, and a video that talks about his single length irons here.


Have any studies been done on the efficacy of single length irons? 

We just wanted to get the word “efficacy” in a sentence. But seriously, the answer is yes. Besides being proven by real world play, studies have been done to prove that they are a concept that works. Dave Tutleman, a veteran golf industry engineer, did a study on constant length irons. If you have some time, grab a cup of coffee and read Dave’s extensive academic investigation here.


What length is best for me?

We suggest 7 iron length (37”); that is generally the “sweet spot” for most players.  If you are exceptionally tall or short, however, 37” may not be for you. Here is a very general WTF (wrist-to-floor) chart to get you started. For more details on how to measure your wrist-to-floor, look under “Club Length” of our fitting page.


Wrist-to-floor Suggested Pinhawk Length
27″ to 32″ Email Us For Recommendation
32″ to 34″ 8 Iron Length (36 1/2″)
34″ to 36″ 7 Iron Length (37″)
36″ to 38″ 6 Iron Length (37 1/2″)
38″ to 40″ 5 Iron Length (38″)


Do they come in Left Handed?

Not as of yet. Tooling is extremely expensive and we would have to sell a LOT of left handed irons to make up the cost. That doesn’t mean it’s not a possibility in the future though.


What are the lofts of each club?

Here you go:


Club 4 5 6 7 8 9 PW GW SW LW
Loft 20° 25° 30° 35° 39° 43° 47° 51° 55° 59°


Can the irons be bent?

Yes, they can. Because they are made of high quality 431 Stainless Steel, they can easily be bent up to 2 degrees.


What do the heads weigh?

Each head weighs approximately 272 grams.


What is the lie angle of each club?

62.5 degrees.


How long do they take to get used to?

It depends on the player. We’ve had some shoot low scores right out of the gate, and we’ve had some say that it takes a few rounds for their brain to get used to the concept.  We are confident you will like them, and we can count on one hand any complaints that we’ve had about them.


Can you compare the Pinhawk SL specs to a regular iron set?

Sure, we will compare them to a typical iron set in the charts below. Notice how the typical iron set specs are all over the map!


Typical Iron Set
Club 3 4 5 6 7 8 9 PW GW SW
Loft 21° 24° 28° 32° 36° 40° 44° 48° 52° 55°
Lie 59° 60° 61° 61.5° 62° 63° 64° 64° 64° 64°
Weight (grams) 239 246 253 260 267 274 281 285 284 296
Offset (mm) 4.8 4.2 3.8 3.6 3.4 3.2 3.1 3.0 2.9 2.5
Pinhawk Iron Set
Club 4 5 6 7 8 9 PW GW SW LW
Loft 20° 25° 30° 35° 39° 43° 47° 51° 55° 59°
Lie 62.5° 62.5° 62.5° 62.5° 62.5° 62.5° 62.5° 62.5° 62.5° 62.5°
Weight (grams) 272 272 272 272 272 272 272 272 272 272
Offset (mm) 3 3 3 3 3 3 3 3 3 3



What kind of steel are Pinhawk heads made of?

They are made of high quality 431 Stainless.  Our competitors use a harder steel (17-4).


Why don’t major companies do this?

Because no major manufacturer is going to take a risk and try and change the design perception of the entire golf industry. It would be too much of an uphill battle to fight to educate the consumer. Jaacob Bowden (who runs, and is a proponent of single length irons) had a sit down with a major golf company CEO and he had this to say about the subject:

“Same length has been done, personally I’ve been a fan but it’s a tough concept to sell. Reality; In the US golf industry there are 6 major chains that buy product that is sold to what constitutes 85% of the market. All but roughly 2-3 % of the rest is sold in golf pro shops and they are influenced by the retailers. The buyers for these major chains only buy what is played on tour and pretty much in order of market share. Like it or not we dance to that tune. To introduce something like single length after investing in the design we’d have to spend millions on marketing and not so minor get tour credibility because no product is successful at retail without it.”

So there you go. Major companies aren’t going to take that kind of “risk”. We aren’t a “major” company, and thankfully for you don’t have stockholders to answer to. Although we do have to answer to our wives!


Can’t I just cut all my current irons the same length?  

You could, but it won’t work. On the short irons you would have to add extensions, which would not only make the swingweight severely out of line, but make the flex of those clubs softer. On the longer clubs, you would be cutting them down, and making the flex stiffer, along with the same swingweight problems as mentioned earlier.  In addition, your loft gaps on a regular set would not be correct for single length irons.


I have trouble hitting a 4 iron, do you have any options for me? 

Yes. We designed a 4 hybrid for just such an occasion. Many players find a hybrid easier to hit than an iron in their long irons. The Pinhawk Hybrid weighs the same as the iron heads, and we can make it the same length as your irons.

Technical Specifications

Club 4 5 6 7 8 9 PW GW SW LW
Loft 20° 25° 30° 35° 39° 43° 47° 51° 55° 59°
Lie 62.5° 62.5° 62.5° 62.5° 62.5° 62.5° 62.5° 62.5° 62.5° 62.5°
Bounce 12°
Offset (mm) 3 3 3 3 3 3 3 3 3 3



Pin Hawk Single Length Irons


Kona Golf Sales | Custom Golf Clubs

1 A- 2175 Dunwin Drive
Mississauga, On L5L 1X2

Please call before visiting us as we are often off site. 



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Single Length Golf, Custom Golf Clubs, Golf Club Repairs, One length irons