Main: 84% Nylon

crafted for ultimate workability

NCM Technology

with the collapsible base system ensuring no club crowding

even on center-face shots

Callaway Quantum Max OS Single Irons - Ladies Hand:Right Hand Main: 84% NylonQuantum Max OS blends confidence with maximum forgiveness, powerful speed, and consistent carryall in an oversized shape designed to help golfers hit it more solid across the face. 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 flex where golfers need it most.