Unlocking better performance with intelligent shaping and proven innovations. We have designed SIM Max OS to deliver a forged-like feel in a distance iron.Unlocking better performance with intelligent shaping and proven innovations. We have designed SIM Max OS to deliver a forged-like feel in a distance iron.Distance You Can Feel: How many distance irons can say they have their own sound engineer? With an improved Speed Bridge and ECHO Damping System for better sound and forged-like feel, we went further than we thought possible to bring you a distance iron that feels better than anyone thought possible.