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Our MPF Ultra Game Improvement Rating

Independent Maltby Playability Factor (MPF) testing conducted by The GolfWorks resulted in our 1 Irons being classified as Ultra Game Improvement irons

(The Maltby Playability Factor is the golf industry standard for iron playability classification)

Definition of Ultra Game Improvement irons:

  • All players benefit.
  • The absolute easiest to play golf club designs.
  • More consistency.
  • Best distance.
  • Highest technology available.
  • Most popular with tournament pros.

Maltby Playability Factor (MPF) classifications:

  1. Ultra Game Improvement (highest)
  2. Super Game Improvement
  3. Game Improvement
  4. Conventional
  5. Classic
  6. Player Classic (lowest)

Maltby Playability Comparative Rankings:

BrandModelMPF Total PointsMPF Category
One Iron Golf1 Iron853Ultra Game Improvement
CobraKing F7 One Length776Super Game Improvement
CobraKing F8 One Length715Super Game Improvement
CobraForged One Length579Game Improvement

There is a reason we have been the #1 brand of Single-Length irons world-wide for 20 years.

The most forgiving irons I’ve ever played in my life.  No more strolls in the woods for me after switching to your single length irons.

Jim - NC

I haven’t been able to hit a “long iron” effectively in fifteen years.  Now I'm hitting my one length #3 and #4 irons like I was born with them in my hands.

Fred - Germany

I tested a couple of other brands of single length golf clubs but they felt clunky to me and did not perform well.  However, after playing your 1 Iron - single length irons for only four rounds I'm completely sold.

Jake - The Villages, FL

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