{"product_id":"callaway-quantum-max-os-irons-steel-shaft","title":"Callaway Quantum Max OS Irons - Steel Shaft","description":"\u003cp\u003eThe Callaway Quantum Max OS Irons (Steel Shaft) blend confidence with maximum forgiveness, powerful speed, and consistent carry—all in an oversized shape designed to help golfers hit it more solid across the face.\u003c\/p\u003e\n\u003cp style=\"padding-left: 120px;\"\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e Modern 360° Undercut \u003c\/strong\u003e\u003cbr\u003eThe 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.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e Progressive Tri-Sole Design \u003c\/strong\u003e\u003cbr\u003eThe Progressive Tri-Sole Design promotes cleaner, more consistent contact across the set, with a reengineered sole geometry that adapts from long irons to wedges for smooth turf interaction and efficient speed retention—even on heavy strikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e Next Generation AI-Optimised Face Design \u003c\/strong\u003e\u003cbr\u003eThe Next Generation AI-Optimised Face delivers faster ball speeds and more consistent launch, spin, and dispersion by intelligently shaping the face to match real-world impact patterns and expand the sweet spot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e Urethane Microspheres \u003c\/strong\u003e\u003cbr\u003eUrethane microspheres enhance sound and feel at impact by absorbing unwanted vibration, delivering a softer, forged-like sensation in a high-speed game-improvement head.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOversized, Confidence-Inspiring Shape\u003c\/strong\u003e\u003cbr\u003eQuantum Max OS is built for higher launch and maximum forgiveness—all in an oversized shape that inspires confidence at address.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGRIP: GOLF PRIDE TOUR VELVET 360\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"padding-left: 80px;\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSHAFT: True Temper ELEVATE 85\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"padding-left: 80px;\"\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%;\" border=\"0\" cellspacing=\"0\" 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