Ping G425 Golf Irons – SteelThe G425 Golf Irons made of Steel by Ping use a metal-wood-stlye, combined with a variable thickness face increase ball speed and flexing. This launches shots higher and further, taking your game to a whole new level. There is also expanded perimeter weighting with a smaller head design, enhancing forgiveness. Speed-Generating FaceThis Iron uses a stronger, Hyper 17-4 stainless steel face. This offers Ping’s faster ever ball speed in the G-Series to generate better results. Stopping PowerThe use of a patented cascading sole and top-rail undercut combine to deliver consistent green-holding precision.Perimeter WeightingPing has used a Tungsten to screw ad hosel weight to expand perimeter weighting, providing enhanced forgiveness. Smart GripsArccos Caddie Smart Grips are standard. An embedded sensor automatically records and analyzes every shot when paired with the Arccos Caddie app.