The KING Forged TEC Copper irons feature a hollow construction, forged PWRSHELL Face, and tungsten weighting to create our longest and most forgiving iron in the family with a sleek and compact shape that appeals to better players. PLAY THE RIGHT IRON FOR YOUR GAME. Whether you desire a traditional forged muscle back shape, a players cavity back, or a hollow iron for added distance and forgiveness, the KING Copper Series has an iron for you. CONNECT AND IMPROVE WITH TRUE ARTIFICIAL INTELLIGENCE. Every KING Forged TEC iron features an Arccos sensor seamlessly embedded in the grip. Pair your set with the Arccos Caddie app to leverage golf's richest data and make smarter decisions.