Callaway Quantum Max OS Golf Irons - Graphite Shaft Option:Mitsubishi Vanquish 50 - R2 100% polyester with ePTFE membrane

100% polyester with ePTFE membrane

Wide frame

a premium double strap and high-grade aluminum legs

A Golf Simulator Unlike Any Other

Callaway Quantum Max OS Golf Irons - Graphite Shaft Option:Mitsubishi Vanquish 50 - R2 100% polyester with ePTFE membraneQuantum Max OS blends confiden e with maximum forgiveness, powerful speed, and consistent carryall in an oversized shape designed to help golfers hit it more solid across the face. Modern 360 Undercut The Modern 360 Undercut Cavity is designed to deliver faster ball speeds, higher launch, and more forgiveness across the face, thanks to its advanced two piece design with extreme perimeter weighting and a fully exposed undercut for added fl x where