KING F8 ONE Length Irons

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What It Is
The industry's first electronically enabled set of ONE Length™ irons. Every iron is designed to match 7-iron length and clubhead weighting.
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Who It's For
5 to 25 handicap golfers with moderate to higher swing speeds seeking a forgiving distance iron with enhanced feel.
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Why we made it
The KING® F8 ONE Length™ irons have been re-engineered using progressive clubhead constructions and flighted shaft technologies to deliver improved trajectory and feel through the set.



IMPROVED CLUBHEAD DESIGN
Progressive clubhead construction features progressive sole widths and hosel lengths for optimized trajectory and feel from the long irons to the wedges.
FLIGHTED SHAFT TECHNOLOGY
Graphite and steel shafts feature adjusted flex profiles through the set for higher launching long irons and short irons with lower, more controlled trajectories.
7-IRON CONFIGURATION
Each KING® F8 iron is configured to match 7-iron length, head weight and swing weight to promote consistent feel through the set.
ONE LENGTHTM
One Step Further
Flighted Shaft Technology.
COBRA® has teamed up with its shaft partners to engineer unique designs that optimize ONE Length™ performance. Utilizing flighted shaft technologies, the graphite and steel shafts feature adjusted flex profiles that make the long irons play softer and launch higher, and the short irons play stiffer and launch lower.

Long Irons Made Easy
Featuring a lower profile clubhead design with wider soles in the 4-6 irons, the CG is moved lower and deeper to deliver higher launching trajectories. Paired with an optimized E9™ Sweet Zone™, the KING® F8 ONE Length™ long irons are faster and longer, while maintaining the simplicity and accuracy that players find appealing with the ONE Length™ set makeup.

A Short Game You Can Brag About
The key to a better short game is knowing your wedge distances. The KING® F8 ONE Length™ wedges give you more confidence with one setup and one swing, while an improved clubhead construction promotes lower, more controlled trajectories. The result is more consistency, more predictable distances, and closer birdie opportunities.

Re-Engineered
for Consistency
The KING® F8 ONE Length™ irons feature cutting-edge technologies that make them even easier to hit and more consistent than ever before.
Simplify Your Golf Game
Proper setup includes foot positioning, spine angle and ball position, and many other variables. These variables change as you switch between longer and shorter length clubs, causing more room for error. With one setup and one swing you can simplify the entire process. Every player has their favorite club and for many, it's a 7-iron. With COBRA's ONE Length irons, you will find new confidence in your game, allowing you to play any iron in the bag as if it were your trusty 7-iron.

One Swing For Every Shot
In a traditional iron set, certain variables of the swing change as you switch between your longer and shorter irons, causing more room for error. With one setup and one swing, you can simplify the entire process and swing every iron in the bag with confidence like it's your trusty 7-iron.
Better Distance Gapping
Studying real-world yardage gaps using Arccos data, many players have distance overlap with their variable-length long irons. ONE Length™ long irons provide more confidence at address, promoting more consistent ball striking and carry distances.
Tighter Shot Dispersion
Having a more comfortable, repeatable swing that is shared between your long irons and short irons promotes more consistent contact. The result is more greens-in-regulation, tighter approach shots and more birdie opportunities.
More Accurate Short Game
If there are weak points in your short game, you are not alone. The KING® F8 ONE Length™ wedges provide a seamless transition from your long and mid irons allowing you to set up to every shot with confidence and attack the pin with more consistency.
FIRST SMART SET.
LOWER SCORES.
Golf's most advanced technology, COBRA CONNECT™, Powered By Arccos™ features electronically enabled grips in each iron. Detailed stats are recorded automatically, allowing golfers to access an in-depth analysis of their game using the COBRA CONNECT™/Arccos 360™ app on their Smartphone.


GET BETTER. FASTER.
Leverage the power of data to take your game to the next level. Arccos 360™ users improved their handicaps 36.4 times faster than the average golfer.
TOUR ANALYTICS IN YOUR POCKET.
COBRA CONNECT™ analyzes every aspect of your game, while providing you with advanced GPS distances to any point on the course so you can make smarter shot decisions.
ELIMINATE THE GUESSWORK.
Know true distance averages for every club in your bag as well as your strengths and weaknesses so you can hit more greens and lower your scores.
SEAMLESS TECHNOLOGY
Lightweight COBRA CONNECT™ sensors are seamlessly embedded in the end of each grip to ensure comfort during the swing, without affecting weighting or performance.
COMPLETE YOUR SET
WITH ADDITIONAL SENSORS
Golfers who purchase a set of KING® F8 irons will receive additional Arccos screw-in sensors to connect the rest of their clubs, and a 90 day trial to the Arccos Caddie platform. The Arccos sensors work in conjunction with the COBRA CONNECT™ grips that come with the KING F8 irons, so users can track improvements for every club in their bag.

Woods and Wedges
6 Sensors Included
Putter
1 Sensor IncludedPRACTICE SMARTER.
IMPROVE FASTER.
COBRA CONNECT™ works in conjunction with the Arccos 360™ mobile app - the award winning connected golf system that helps players of all skill levels make smarter, data-driven decisions.

GPS Distances
COBRA CONNECT™ provides advanced GPS distances on over 40,000 courses worldwide, so users can pinpoint exact distances (in yards or meters) to any point on the course.

Smart Distance
Know true averages for every club in your bag so you hit more greens and make more birdies.

Tour Analytics
Know your strengths and weaknesses for every club so you can practice more efficiently and shoot lower scores.
FORGED PWRSHELLTM
WITH E9 TECHTM
Featuring COBRA's patented E9 TechnologyTM, an all-new forged PWRSHELLTM face construction delivers driver-like speed and distance.

CARBON FEEL TECHNOLOGY
A multi-material carbon fiber construction damps vibrations at impact for exceptional sound and feel through the set.

Lower Profile Construction
A lower profile clubhead design lowers CG for higher launch and more clubhead speed.

Tailored
Performance
Advanced construction technologies combine to create the ultimate progressive irons that deliver tailored performance through the set.

4i-7i
Full Hollow Iron
A hollow construction in the long irons lowers CG and delivers a highly responsive face for increased launch and speed. A carbon fiber medallion damps vibrations for improved sound and feel.

8i-PW
Cavity Back Iron
A cavity-back design in the mid to scoring irons delivers improved accuracy on approach shots. A two-piece carbon fiber insert and medallion work to deliver softer, yet more solid feel.

GW-LW
Specialty Wedge Design
A specialty wedge design with a carbon fiber insert in the GW, SW and LW damps vibrations for improved feel and precision around the greens.
Optimized CG's
Variable hosel lengths strategically position the CG for optimum launch, speed and forgiveness through the set. Lower profile long irons with shorter hosels lower the CG for improved launch and forgiveness. Progressively taller hosels in the mid to scoring irons raise CG for improved control and accuracy on approach shots.

Milled Grooves.
Spin Redefined.
CNC milling delivers more precise groove structures resulting in optimum spin and trajectory characteristics for the long irons, mid to scoring irons and wedges.

4i-7i
Milled V-Grooves
Milled V-Grooves reduce spin for maximum distance and flight time.

8i-PW
Milled U-Grooves
Milled U-Grooves optimize spin for improved control and more accurate approach shots.

GW-LW
WEDGE-SPACE GROOVES
Tighter, wedge-spaced grooves deliver increased spin for more precise shots around the green.
Also Available In
Variable Length
The KING® F8 Variable Length Irons deliver superior feel and long, towering shots.
Learn More
STOCK SET COMPOSITION - 7 Clubs
- Steel: 5-GW
- Graphite: 5-GW
Model | Loft | Lie | Offset (mm) |
COBRA CONNECT Length (Graphite & Steel) |
Standard Length (Graphite & Steel) |
Graphite Swing Weight |
Steel Swing Weight |
RH/LH |
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4 | 19.5° | 63.5° | 5.4 | 37.50" | 37.25" | D0 | D1 | RH/LH |
5 | 22.5° | 63.5° | 4.7 | 37.50" | 37.25" | D0 | D1 | RH/LH |
6 | 25.5° | 63.0° | 4.4 | 37.50" | 37.25" | D0 | D1 | RH/LH |
7 | 29.5° | 62.5° | 4.0 | 37.50" | 37.25" | D0 | D1 | RH/LH |
8 | 34.0° | 62.5° | 3.7 | 37.50" | 37.25" | D0 | D1 | RH/LH |
9 | 39.0° | 62.5° | 3.4 | 37.50" | 37.25" | D0 | D1 | RH/LH |
PW | 44.0° | 62.0° | 2.9 | 37.50" | 37.25" | D0 | D1 | RH/LH |
GW | 49.0° | 61.5° | 1.0 | 37.50" | 37.25" | D0 | D1 | RH/LH |
SW | 54.0° | 61.5° | 1.0 | 37.50" | 37.25" | D0 | D1 | RH/LH |
LW | 58.0° | 61.5° | 1.0 | 37.50" | 37.25" | D0 | D1 | RH/LH |

Model | Flex | Shaft Weight | Kick Point | Trajectory | Spin | Tip Diameter |
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Aldila Rogue Pro ONE Length 65 | Stiff | 67g | Mid | Mid | Mid | 0.370 |
Aldila Rogue Pro ONE Length 65 | Regular | 65g | Mid | Mid | Mid | 0.370 |
Aldila Rogue Pro ONE Length 65 | Lite / Senior | 63g | Mid | Mid | Mid | 0.370 |

Model | Flex | Shaft Weight | Kick Point | Trajectory | Spin | Tip Diameter |
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True Temper XP 90 (Flighted) | Stiff | 110g | Mid | Mid | Mid | 0.370 |
True Temper XP 90 (Flighted) | Regular | 108g | Mid | Mid | Mid | 0.370 |