Callaway Golf 4H 5H 6S RAZR XF Hybrid Irons Set Multi-Material Construction Forged 1025 Carbon Steel Body is perimeter weighted for a higher MOI and increased forgiveness, while also providing soft, responsive feedback at impact Multi-Material Medallio Constructed of aluminum and injection-molded plastic, it fine-tunes sound and enhances feel off the clubface. 455 Carpenter Steel face is stronger than traditional stainless steel, generating faster ball speeds for added distance Black PVD Finish Physical Vapor Deposition Finish comes from a high-tech process that produces a distinctive stealth look for reduced glare and a jewelry-like appearance Zero Roll Design Clubface with zero roll produces a higher launch angle on shots hit low on the face, increasing distance with softer landings This product comes with a headcover with an interchangeable tab to indicate the respective club number (3, 4, 5, 7, 9 or X)