Makefield Putters Products

The center or heel shafted and customizable mallet shaped heads of Makefield Putters are 100% CNC milled in the United States from solid pieces of aircraft grade aluminum alloy. Engineered with an adjustable weight system made from high quality Tungsten, Stainless Steel, and Aluminum, our Putters compliment high-handicap and scratch golfers alike. Please take a moment to visit our Putter page to learn more about the technology behind the Makefield Putter.

JMX JumboFlat 17” Grip

In stock
Product Details
Grip Diameter: 1.6 inches (max-width)
Length: 16.9 inches
Weight: 125 grams
Shape: Tapered

Made For Armlock

Developed with Bryson DeChambeau. The JumboFlat® 17 is for golfers that use the ArmLock putting style. It has a super-wide, flat surface and a patent-pending shape that was designed to fit the contour of the forearm so golfers can really lock it in.


  • A Major Winner: Used By 2020 U.S. Open Champion Bryson DeChambeau.
  • Eliminate Wrist Break: Has the widest profile of any ArmLock grip.
  • Lays Perfectly Flat: Patent-pending tapered shape rests perfectly flat against your forearm.
  • Fits The Fingers: Rounded section is formed to fit your fingers.
  • Boost Feel: Poly-Tour™ outer provides optimal tackiness and texture.
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Putter Accessories & Add-Ons